(sold out) 6414 Raytheon triple mica black plates NOS 1950's misbranded E80CC National
* (read review) 6072 GE 5 star triple mica black plates "O" getter halo 1962
12AT7 RCA Black Plates "D" getter used/good mid-1950's
12AZ7 GE black plates "D" getter halo NOS 1955 (11ma/7.5ma)
421A Western Electric NOS 1984 (sold - read review)
5670=2C51 GE black plates "D" getter halo used/good 1950's (7.2/8.0ma) (same Gm)
5687WA Sylvania JAN used/tests like new 1960's (39/43ma) (high Ma and Gm)
5814A RCA NOS 1970 era slightly microphonic (10.2/11.2ma)
5963 RCA black ribbed plates" and D getter halo NOS 1957 (sold out - read review)
5BQ7A GE black plates "U" getter 1961 (10.8/7.0ma)
5BQ7A GE Dumont gray plates "O" getter 1973 (12.8/8.2ma)
5BQ7A RCA branded Raytheon black plates "D" getter faded printing 1950's (14.0/13.6ma)
5V4G Brimar UK "D" getter halo black plates used/good 1950's (58/40 and 59/40)
6080 RCA black plates used/good 1956 broken guide pin (66/77ma)
6201=12AT7WA RCA Black Plates "o" getter halo used/like new 1961 (8.6/7.8ma)
6AS7GA GE black plates NOS 1963 (107ma and 84ma)
6AS7GA GE NOS 1970 era (77ma and 82ma)
6AS7GA GE NOS 1979 (105ma and 126ma)
6AS7GA Sylvania branded RCA NOS 1983 (100ma and 125ma)
6AS7GA Sylvania metal base NOS 1960's (77/87ma)
