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12H6 US Brands NOS (15 in stock)
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)
12MD8 NOS (10 in stock)
12Q7G Zenith by Sylvania NOS 1946-1947 (36/20)
12SA7Y RCA brown bottom NOS 1955 (4.7ma)
12SC7 International Canada NOS, probably made by GE (2.0/2.1ma)
12SC7 International Canada NOS, probably made by GE (2.3/2.8ma)
12SC7 Ken Rad NOS 1940's (5 in stock)
12SC7 Philco NOS 1940's (1.8/1.8ma) 1% section balance
12SC7 Philco NOS 1940's (1.8/2.1ma)
