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)
