6K7G Sylvania NOS 1940's (2 in stock)
6K7G=VT-86A Sylvania NOS 1944 (9 in stock)
6K7GT Sylvania NOS 1952 (11.3ma)
6LB6 GE branded Amperex NOS 1967 (65ma)
6LB6 GE branded Quasar NOS 1970 era (78ma)
6LB6 GE branded Zenith used/good (89ma)
6LB6 RCA used/good 1970 era (84ma)
6Q7GT Zenith NOS 1950's (31/20)
6Q7GT Zenith NOS 1950's (34/20)
6S8GT Sylvania NOS 1950 era
7687 Sylvania NOS 1962 (sold out)