I have the following almost NOS tubes for sale; I don't have a tester, but all were purchased from respected sellers as matching pairs and performed perfectly for me. I haven't put more than 50-75 hours on any of these pairs since I bought them. My prices below include paypal fees; if you purchase more than 1 pair so that I can combine shipping, I will also cover Fedex ground shipping costs.
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1 pair RCA "Command Series" blackplate 5751's $65 SOLD--
1 pair Sylvania blackplate triple mica 5751 (no label on tubes, and I'm no expert, but that is what these were represented to me as, and I don't have any reason to doubt the accuracy) $65 SOLD--
1 pair RTC (France) 12AX7S, purchased from respected Audiogon seller Paul Lindeman, very nice tubes $65 SOLD--1 pair Amperex 12ax7, long plate, foil strip getter (primo tube!), $140
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1 pair Pope 12ax7 (great tube, very similar to Amperex sound to me), $75 SOLD--
1 pair RCA JRC long blackplate 12ax7 (1951), purchased from Bart Lerman $40 SOLD--
1 pair TJ Full Music (new production) 12ax7, came as the upgrade tubes in my SET amp, but I've been rolling various NOS in it, but all in all a very nice new production 12ax7--$30 SOLD--
1 pair Tung Sol JTL 12ax7 (1953 production), also purchased from Bart Lerman $35 SOLD--1 pair RCA long blackplate, clear top 6cg7 $35
--2 pair Raytheon long blackplate (labeled Baldwin)--I actually have 7 of these, but I'd like to hang on to at least 1 pair; $50/pair
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1 pair Ediswan CV2492 (also purchased from Upscale; very nice tube, Kevin's description of their sound nails it) $75 SOLD--
1 pair of Siemens E188CC (purchased from Upscale Audio), reduced from my older sales ad, $150 SOLDAs always, I like to keep shipping hassle to a minimum, so any 'package' offers will be seriously considered

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Thanks,
Randy