6EV5 Sylvania and GE NOS (37 in stock)
6EW7 RCA BIG BOTTLE black plates NOS 1961 era (5.4/42ma)
6EW7 RCA BIG BOTTLE NOS 1960's (5.6/36ma)
6EZ5 US Brands NOS (3 in stock)
6F6G National Union black plate NOS 1951 (40.5ma)
6GB5 / 6GB5A=EL500 Sylvania Holland NOS 1966-1968 (0 in stock)
6GK5=6FQ5A GE branded RCA NOS (17.4ma)
6GK5=6FQ5A GE NOS (9ma)
6GK5=6FQ5A Sylvania NOS (10ma)
6GM5 Sylvania rebranded GE NOS 1966 (64.5ma)
6HF5 Sylvania NOS 1970 era some small mica flakes inside tube (96ma)
6HV5A GE branded RCA NOS (101/60)
6HV5A GE International NOS (100/60)
6HV5A Sylvania NOS (99/60)
6J6A Sylvania NOS (10 in stock)
6JE6A RCA NOS 1960's (94mA)
6JE6A RCA Setchell Carlson used/good 1965 (87mA)
6JE6A RCA used/very good 1967 (103mA)
6JE6C=6LQ6 GE used/good 1970 era (60ma)
6JE6C=6LQ6 GE used/good 1970 era (71ma)