This auction is for a pair oF beautiful RCA 6F6G BIG BULB TUBES ! THESE TUBES TEST 88 AND 90, WHERE THE TEST CRITERIA IS 50. NOS? Tested on my TV7-D tester, which was recently calibrated by Nelson in AZ the TV-7 guru. I test honestly and carefully. Pictures are detailed, close-up and clear- you need and deserve that. I guarantee all the tubes I sell, so you may . Lucky high bidder please add $5 for well packed & insured shipping in the lower 48 states. If the Ebay price for international shipping looks wrong, it likely is. Contact me for proper pricing. I am always happy to combine shipping on my tubes, after the more expensive shipping cost the next two auctions are included at no additional cost to USA buyers!! Higher dollar items are insured, international shipments must be insured. I am always happy to answer questions, so please feel free to ask! Sale may be cancelled, and feedback posted, if payment is not received within 5 days. Thanks for looking, good luck bidding, and please look in on my other interesting auctions. i AM TRYING TO EMPTY MY SMALL WAREHOUSE OF TUBES, AND WILL BE LISTING HUNDREDS AS FAST AS i CAN TEST THEM.