(!) (1 Pair) 31 Sylvania rebranded Zenith NOS 1940's (12.8ma and 13.6ma)
(!) 31 Ken Rad NOS engraved base 1940 era (11ma)
(!) 31 Tungsol NOS 1940's (11.8ma)
26 Coronado by RCA tests like new 1940's (6.0ma)
26 National Union engraved base tests like new 1930's (6.0ma)
6A8 GE metal can NOS 1959 (95/60)
6A8 GM Genuine Parts metal can used/tests like new 1940's (52/29)
6AB5=6N5 RCA NOS tuning eye 1940's (2 in stock)
6AQ5A=6669 European NOS branded Siemens NOS 1975 (48.5ma)
6Q7G Sylvania used good 1940's (32/20)
6Q7G Tungsol used strong 1940's (38/20)
6Q7GT Philco used/good 1947 (32/20)
6Q7GT Zenith by Sylvania NOS 1946 (39/20)
6Q7GT Zenith NOS 1950's (31/20)
6Q7GT Zenith NOS 1950's (34/20)
