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$5.00 Shipping Condition: Open box Location: San Antonio, United States It was designed as a remote cutoff pentode for superhet radios. It was used in many radios during the 1930s and 1940s. This one appears to be NOS, and ... moretests very strong with no shorts, on a Precision model 10-12 tester.
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$5.00 Shipping Condition: Open box Location: San Antonio, United States This pair of type 78 tubes tested strong on a Precision 10-12 tube tester. One tube is a Tungsol the other.
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$3.99 Shipping Condition: Open box Location: Albany, United States Where the nominal NOS Gm value is:1650. Manufacturer: Unknown - these tubes are BLANK! Stamped "USA". Five tubes tested at random.They tested at: 2750, ... more2550, 2800, 2850, 2750.
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$5.99 Shipping Condition: Used Location: Shingle Springs, United States Item: GE 12AC6. Nice paint,clean pins and a factory box.
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$5.95 Shipping Condition: Used Location: Saint Louis, United States THIS HOUSE. STORAGE IS FULL! EITHER WAY WE HAVE WAY TO MUCH STUFF IN. THE TECHNICIAN, THOUGHT DISPLAYING.
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$5.99 Shipping Condition: New Location: Shingle Springs, United States Nice paint, clean pins and a factory box.
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$4.50 Shipping Condition: New Location: Sunset, United States Tested NOS.
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$5.95 Shipping Condition: Used Location: Saint Louis, United States THIS HOUSE. STORAGE IS FULL! EITHER WAY WE HAVE WAY TO MUCH STUFF IN. IF YOU DO NEED A. Do not hesitate to ask for results. I am always. THE TECHNICIAN, ... moreTHOUGHT DISPLAYING.
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$5.95 Shipping Condition: Used Location: Saint Louis, United States EITHER WAY WE HAVE WAY TOO MUCH STUFF IN THIS HOUSE. STORAGE IS.
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$5.95 Shipping Condition: Used Location: Saint Louis, United States WEAK OF COURSE! "DUDS BELONG IN THE TRASH"! I THINK WE. EITHER WAY WE HAVE WAY TO MUCH STUFF IN THIS HOUSE. STORAGE IS FULL! HAVE WELL ESTABLISHED THAT ... moreBY THIS POINT! FATHER IN LAW. HE PASSED AWAY IN '09.
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Free Shipping Condition: Used Location: Bardstown, United States RCA tube in Westinghouse box, tested strong.
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$5.95 Shipping Condition: Used Location: Saint Louis, United States THIS HOUSE. STORAGE IS FULL! A LOT OF STUFF HAS TO GO! EITHER WAY I HAVE WAY TO MUCH STUFF IN. I HAVE NOT FOUND ANY "DUD'S" HIS HOARD. HE KEPT THE PARTS. ... moreFATHER IN LAW. HE PASSED AWAY IN '09.
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$5.95 Shipping Condition: Used Location: Saint Louis, United States STUFF IN THIS HOUSE. STORAGE IS FULL! EITHER WAY WE HAVE WAY TOO MUCH. OF COURSE! DUDS BELONG IN THE THE TRASH!
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$24.00 Shipping Condition: New Location: South Africa NOS Brimar tubes. Excellent condition and never used only tested. The image shows the total number of tubes I have minus the number sold.
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Free Shipping Condition: Open box Location: Columbia, United States Tv7 tested NOS TUBES. Tube testers do not test for these problems in the manner in which you think, except to the extent that a tube tester with sensitive ... moreleakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
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Free Shipping Condition: Open box Location: Columbia, United States The E83F pentode is a special quality version of the EF83. Tv7 tested NOS TUBES. Tube testers do not test for these problems in the manner in which you ... morethink, except to the extent that a tube tester with sensitive leakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
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$5.95 Shipping Condition: Used Location: Saint Louis, United States EITHER WAY WE HAVE WAY TO MUCH STUFF IN THIS HOUSE. STORAGE IS FULL! A LOT OF THINGS HAVE TO GO! MADE OUR WORKING RADIO COLLECTION POSSIBLE. HE KEPT THE ... morePARTS.
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$5.45 Shipping Condition: Used Location: Livonia, United States Tested at 79 and 94, where 55 is minimum. You get both tubes.
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$5.99 Shipping Condition: Used Location: Shingle Springs, United States Item: GM Delco 12EA6. Nice paint, clean pins and a factory box.
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$10.00 Shipping Condition: Unspecified Location: Bulgaria Price is for 2 NOS in SEALED boxes tubes.
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$4.19 Shipping Condition: New Location: Yakima, United States Each section has a separate cathode and is electrically independent. Tested as shown on Hickok 533 Dynamic Mutual Conductance Tube Tester.
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$5.00 Shipping Condition: Open box Location: San Antonio, United States This pair of type 78 tubes tested strong on a Precision 10-12 tube tester. One tube is a Philco the other GE. They appear to be NOS. The 78 is a pentode ... moreoriginally designed as a radio frequency amplifier for many radios in the 1930s and 40s.
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$4.55 Shipping Condition: Used Location: Concord, United States
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$5.95 Shipping Condition: Used Location: Saint Louis, United States WAY TO MUCH STUFF IN THIS HOUSE. STORAGE IS FULL! IF YOU DO NEED A SPECIFIC TUBE, YOU. EITHER WAY WE HAVE.
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$7.00 Shipping Condition: Unspecified Location: Burton, United States Pair RCA 12SJ7. PENTODE TYPE TUBES. AMPLIFIER TUBES. RADIO VACUUM TUBES. NOS w/ Original Boxes. TESTED NOS. Label Printed on Tube.
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$4.19 Shipping Condition: New Location: Yakima, United States Features include low grid-plate capacitance, relatively high transconductance, and low heater current. Tested as shown on Hickok 533 Dynamic Mutual Conductance ... moreTube Tester. Box worn from years of storage.
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$5.99 Shipping Condition: Used Location: Shingle Springs, United States Item: RCA 19X8. Nice paint, clean pins and a factory box.
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$4.19 Shipping Condition: New Location: Yakima, United States The 7558 is a beam pentode designed for use as a class "C" RF amplifier, oscillator, or frequency multiplier up to 175 Mc. It can also be used as a modulator ... moreor AF amplifier. Tested as shown on Hickok 533 Dynamic Mutual Conductance Tube Tester.
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Free Shipping Condition: Open box Location: Columbia, United States Tv7 tested TUBES. 90 % of our tubes are Tv7 tested. Tube testers do not test for these problems in the manner in which you think, except to the extent ... morethat a tube tester with sensitive leakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
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Free Shipping Condition: Open box Location: Columbia, United States NOS is subject to interpretation and there is no specific definition for it either. There are suggestions and opinions. Tube testers do not test for these ... moreproblems in the manner in which you think, except to the extent that a tube tester with sensitive leakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
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Free Shipping Condition: Open box Location: Columbia, United States NOS is subject to interpretation and there is no specific definition for it either. There are suggestions and opinions. Tube testers do not test for these ... moreproblems in the manner in which you think, except to the extent that a tube tester with sensitive leakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
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Free Shipping Condition: Open box Location: Columbia, United States Tubes that test within certain specifications may be considered good or usable, but whether they are specifically labeled NOS DEPENDS on the history. ... moreTv7 tested TUBES. All our tubes have been tested for.
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$9.00 Shipping Condition: New Location: Bulgaria Price is for 1 pulled, but tested tube. Made in 1950s. Great tube for radio restoration or DIY project! Tested VERY STRONG - check pictures.
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$4.19 Shipping Condition: New Location: Yakima, United States 6AW8 6BA8 6BH8 6CX8 6EH8 6X8. Sharp-Cutoff Pentode. 9-PIN MINIATURE TYPE. THE 6AU8A IS A GENERAL-PURPOSE MINIATURE TUBE CONTAINING A SHARP CUT-OFF PENTODE. ... moreTested as shown on Hickok 533 Dynamic Mutual Conductance Tube Tester.
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$7.00 Shipping Condition: Unspecified Location: Burton, United States FULL SLEEVE NOS MATCHED PHILLIPS 6DC6 ORIGINAL BOXES INCLUDEDMADE IN THE USA VINTAGE STOCKGREY PLATEHALO GETTERMINIATURE TUBESTESTED ON SENCORE TC136RESULTS= ... moreALL TESTED 100%QUANTITY AVAILABLE (3)PRICE IS PER ITEM
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$4.19 Shipping Condition: New Location: Yakima, United States Features include low grid-plate capacitance, relatively high transconductance, and low heater current. Tested as shown on Hickok 533 Dynamic Mutual Conductance ... moreTube Tester.
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$7.00 Shipping Condition: Unspecified Location: Burton, United States Pair RCA 12SJ7. PENTODE TYPE TUBES. AMPLIFIER TUBES. NOS w/ Original Boxes. TESTED NOS. RADIO TUBES.
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Free Shipping Condition: Used Location: Avilla, United States This tube tested well above new tube specs.
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Free Shipping Condition: Open box Location: Columbia, United States Tv7 tested NOS TUBES. Tube testers do not test for these problems in the manner in which you think, except to the extent that a tube tester with sensitive ... moreleakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
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Free Shipping Condition: Open box Location: Columbia, United States Tv7 tested TUBES. 90 % of our tubes are Tv7 tested. All our tubes have been tested for. Tube testers do not test for these problems in the manner in which ... moreyou think, except to the extent that a tube tester with sensitive leakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
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$4.19 Shipping Condition: New Location: Yakima, United States The 6AS6 is a physically small amplifier pentode. Tested as shown on Hickok 533 Dynamic Mutual Conductance Tube Tester.
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$4.19 Shipping Condition: New Location: Yakima, United States Tested as shown on Hickok 533 Dynamic Mutual Conductance Tube Tester. Box worn from decades of storage.
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$4.19 Shipping Condition: New Location: Yakima, United States The triode unit, which has a relatively high zero-bias plate current, is well suited for use in low-frequency oscillator sync-separateor, sync-clipper, ... moreand phase splitter circuits. Tested as shown on Hickok 533 Dynamic Mutual Conductance Tube Tester.
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Free Shipping Condition: Used Location: Bardstown, United States Tested good on Heathkit TC-2 Tube Checker.
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$7.49 Shipping Condition: Used Location: Fenton, United States This vintage Ken-Rad VT-205/307A vacuum tube is a pentode power output model made in the United States. It is a high-quality product from a trusted brand ... moreand is perfect for collectors and vintage electronics enthusiasts. This tube is compatible with various vintage audio and video equipment and is a great addition to any vintage electronics collection. The tube is in good working condition and has been tested to ensure its functionality. Don't miss out on the opportunity to own a piece of history!
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$4.19 Shipping Condition: New Location: Yakima, United States The 6GN8 is a miniature tube containing a sharp-cutoff pentode and a high-mu triode in one envelope. Tested as shown on Hickok 533 Dynamic Mutual Conductance ... moreTube Tester. Box worn from years of storage.
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$5.00 Shipping Condition: Unspecified Location: Ashton, United States SYLVANIA 6K6GT NOS Pentode Power Highest quality black plate6K6GTTop getterRADIO VACUUM TUBES Vintage TESTED 100% USA MADE.
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$4.19 Shipping Condition: New Location: Yakima, United States 6AW8 6BA8 6BH8 6CX8 6EH8 6X8. Sharp-Cutoff Pentode. 9-PIN MINIATURE TYPE. THE 6AU8A IS A GENERAL-PURPOSE MINIATURE TUBE CONTAINING A SHARP CUT-OFF PENTODE. ... moreTested as shown on Hickok 533 Dynamic Mutual Conductance Tube Tester.
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$4.19 Shipping Condition: New Location: Yakima, United States Tested as shown on Hickok 533 Dynamic Mutual Conductance Tube Tester.
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$9.00 Shipping Condition: Unspecified Location: Bulgaria EL84 - 6BQ5. Price is for 4 tubes. It has the early-construction characteristics - D-getter and smooth round plates. HIGHLY-PRIZED TUBE!
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$4.47 Shipping Condition: Used Location: Miami, United States Dated 1960 Western Electric 404A 5847 PENTODE Vacuum Tubes Made in the USA. - Western Electric 404A / 5847 9-pin Pentode vacuum tube (Vf : 6.3V, If : ... more0.30Amperes). - The Western Electric 404A / 5847 / V3905 is a UHF Pentode featuring Low-Noise, very high transconductance.
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$4.19 Shipping Condition: New Location: Yakima, United States Sharp-Cutoff Pentode. Tested as shown on Hickok 533 Dynamic Mutual Conductance Tube Tester. Box worn from years of storage.
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$4.19 Shipping Condition: New Location: Yakima, United States Pentode section Tested as shown on Hickok 533 Dynamic Mutual Conductance Tube Tester. Outline 3, OUTLINES SECTION. Heater volts (ac/dc), 12.6; amperes, ... more0.15. One 6SF7 electron tube.
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$5.99 Shipping Condition: Open box Location: Shingle Springs, United States Item: Coronado 950. Nice silver and clean pins. Mfg. by RCA.
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$4.19 Shipping Condition: New Location: Yakima, United States Also known by US military identifier VT-116B. could interchange with. Tested as shown on Hickok 533 Dynamic Mutual Conductance Tube Tester.
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$5.99 Shipping Condition: New Location: Shingle Springs, United States Item: Raytheon 12F8. Nice paint, clean pins and a factory box.
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$4.19 Shipping Condition: New Location: Yakima, United States THE 6BF5 IS A BEAM PENTODE POWER AMPLIFIER USING THE 7 PIN MINIATURE. Tested as shown on Hickok 533 Dynamic Mutual Conductance Tube Tester. Box worn from ... moreyears of storage.
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$4.19 Shipping Condition: New Location: Yakima, United States Type 6CM8 is a 9-pin high mu triode and sharp cutoff pentode. Tested as shown on Hickok 533 Dynamic Mutual Conductance Tube Tester. Box worn from years ... moreof storage.
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Free Shipping Condition: Open box Location: Columbia, United States One tube - excellent tone! For this reason, the original RMA specifications were plus or minus 20% for Gm for an unused tube, and minimum good would be ... moreup to 50% lower than the nominal number! Tube testers do not test for these problems in the manner in which you think, except to the extent that a tube tester with sensitive leakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
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Free Shipping Condition: Open box Location: Columbia, United States Tv7 tested NOS TUBES. Tube testers do not test for these problems in the manner in which you think, except to the extent that a tube tester with sensitive ... moreleakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
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2 x TELEFUNKEN EF800 Vintage Vacuum Pentode Tubes // Tested !! Diamond
I offer to your Attention 2pcs TELEFUNKEN EF800 Vintage Vacuum Pentode Tubes Tested! DIAMOND!
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2 x CEI EF800 Vintage Vacuum Pentode Tubes // Tested with Gold Pins!!
I offer to your Attention 2pcs C.E.I. EF800 Vintage Vacuum Pentode Tubes Tested!
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2 x TESLA EL34 Vintage Vacuum Pentode Tubes // Tested !! Brown Base
I offer to your attention 2pcs TESLA EL34 Vintage Vacuum Pentode Tubes Tested with Brown Base O.getter( See pictures for more details) ORIGINAL OLD PRODUCTION! Please take of your free time and visit my Store. I have more exclusive and rare tubes on best prices on market. Every one tube is 100% original and Authentic. Thank you for your Interests*
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2 x TELAM EL84 Vintage Vacuum Pentode Tubes // TESTED STRONG !!
I offer to your attention of 2pcs TELAM EL84 Vintage Vacuum Pentode Tubes Tested- Strong( See pictures for more details) ORIGINAL OLD PRODUCTION* Please take of your free time and visit my Store. I have more exclusive and rare tubes on best prices on market. Every one tube is 100% original and Authentic. Thank you for your Interests*
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2 x RFT EL34 MATCHED PAIR Vintage Vacuum Pentode Tubes // Tested !!
I offer to your attention 2pcs RFT EL34 Vintage Vacuum Pentode Tubes Tested! See pictures for more details) ORIGINAL OLD PRODUCTION* Please take of your free time and visit my Store. I have more exclusive and rare tubes on best prices on market. Every one tube is 100% original and Authentic. Thank you for your Interests* a;06d2.RcmdId ViewItemDescV4,RlogId p4%60bo7%60jtb9%3Fuk.rp73%28%3Ea%3B06d2-14ae55b84b9-0x10f-
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2 x RWN RFT EF86 Vintage Vacuum Pentode Audio Tubes // TESTED!!
I offer to your Attention 2pcs RWN RFT EF86 Vintage Vacuum Pentode Audio Tubes/ Tested/ see pictures)
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2 x PHILIPS MINIWATT & SIEMENS EF40 Vintage Vacuum Pentode Tubes // TESTED !!
I offer to your Attention 2pcs PHILIPS MINIWATT& SIEMENS EF40 Vintage Vacuum Pentode Tubes Tested! See pictures for more detail) ORIGINAL OLD PRODUCTION! Please take of your free time and visit my Store. I have more exclusive and rare tubes on best prices on market. Every one tube is 100% original and Authentic. Thank you for your Interests* 006.RcmdId ViewItemDescV4,RlogId p4%60bo7%60jtb9%3Fuk%600d72f%2B%3E006-14b84770b80-0x110-
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Vintage Sylvania 42 Radio Power Pentode Vacuum Tubes Tested Smoked Chrome Top
Vintage Sylvania Vacuum Tube 42 Smoked Chrome Top Tested Good 70%+ on Triplett 3413 Tube Tester This Auction has No Reserve Don't forget to check out my other items! Please Feel Free to Ask Any Additional Questions Thanks for Looking ~ Froo www.froo.com | Froo Cross Sell. Free Cross Sell, Cross promote, eBay Marketing, eBay listing Apps, eBay Apps, eBay Application.
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