(!!!) (BEST VALUE SINGLE) 6X5GT GE coin-base NOS 1970's (1 in stock)
(!!!) (Recommended Pair) 7591A GE coin-base NOS original boxes 1981 (79ma and 83ma)
(!!!) 6V6GT Tungsol black plate coated glass used/good 1940's hairline crack in base (44ma)
6AU4GTA RCA coin-base NOS 1970's (single)
6V6GT GE coin-base NOS 1985 (40.6ma)
