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12HG7=12GN7A Westinghouse by Toshiba Japan NOS (50ma)
12J5 GE metal can NOS (0 in stock)
12J5GT RCA NOS (6.7ma)
12J5GT RCA NOS 1954 slightly tilted glass (11ma)
12J5GT Sylvania NOS 1940's (9.6ma Gm=2900)
12J5GT Tungsol NOS 1940's (10.6ma Gm=2800)
12J7G Philco Sylvania 1940's like new (100/60)
12J7GT Hytron NOS 1950 era hairline crack in base (102/60)
12J7GT National Union NOS 1950 era very small hairline crack in base (102/60)
12J7GT RCA used/good 1945 era (92/60)
12J7GT RCA used/strong 1948 (100/60)
12J7GT Sylvania Zenith NOS 1954 era hairline crack in base (101/60)
12J8 NOS
12JB6A GE NOS 1970's (75.5ma)
12JN6 GE Dumont NOS 1970 era (70ma)
12JN8 Dumont by GE NOS (2 in stock)
12JQ6 NOS (4 in stock)
12JT6A Sylvania branded GE NOS 1972 (78ma)
12K7G US Brands NOS (sold out)
12K7GT US Brands NOS (6 in stock)
