(!!) JAN-6V6GTY GE NOS brown base gray plate 1969 (43ma)
(!!) JAN-6V6GTY Sylvania NOS 1972 (41ma)
(!!) JAN-CG-6V6GT GE NOS 1954 (43.5ma) (similar to RCA)
(!!) JAN-CG-6V6GTY GE brown base gray plate NOS 1966 (48.5ma)
(!) 6V6GT Sylvania used/good 1946 (38ma)
(!) 6V6GTY GE Canada brown base black plate NOS 1970 (42.5ma) (similar to RCA black plate)
6V6GT Ediswan UK NOS no printing (41ma)
6V6GT GE black round plate used/good 1953 hairline crack in base (35ma)
6V6GT GE coin-base NOS 1985 (40.6ma)
6V6GT GE Delco used/good crack in base 1952 (36ma)
6V6GT Hytron black plate like new smeared printing 1947 (44ma)
6V6GT MWT Italy coated glass NOS 1940's (42ma)
6V6GT RCA branded Raytheon used/good 1962 (32.4ma)
6V6GT RCA BROWN BASE - gray coated glass - used 1951 (35ma)
6V6GT Sylvania chrome top black plate coated glass NOS 1953-1954 (43ma)
6V6GT Sylvania coated glass used/good 1953 (38.2ma)
VT-107A=JAN-CHS-6V6GT Sylvania black plate / gray coated glass NOS mid-1940's (31ma)