5AS4A GE branded Tungsol "D" getter halo 1960 era (63/40 and 68/40)
5AS4A GE branded Tungsol gray plates D getter NOS 1960 era (60/40 and 60/40)
5AS4A Tungsol black plates NOS "D" getter halo 1950's (56/40 and 58/40)
5AS4A Westinghouse "D" getter halo 1960-1965 (58/40 and 58/50)
5AU4=5V3 Sylvania NOS 1960's (49/40 and 50/40)
5BC3 Sylvania branded GE NOS (1 in stock)
5BC3A RCA NOS (0 in stock)
5DJ4 GE NOS 1961 (50/40 and 50/40)
5DJ4 RCA like new 1960's (56/40 and 58/40)
5M-K9 NEC Japan NOS (58/40) (sold out)
5M-K9 Toshiba Japan NOS (0 in stock)
5R4GYA GE branded Westinghouse NOS 1960's (50/40 and 53/40)
5R4GYA GE brown base NOS 1961 (50/40 and 52/40)
5R4GYA GE NOS 1959 (48/40 and 50/40)
5R4GYB RCA brown base like new 1970's part of glass partially melted into bottom mica (48/40 and 49/40)
5R4GYB RCA brown base NOS 1970's part of glass melted into bottom mica (50/40 and 53/40)
5R4GYB RCA used/strong 1970 (52/40 and 54/40)
5R4GYB RCA used/very good 1964 (51/40 and 54/40)
5R4GYB Sylvania NOS 1970's (52/40 and 49/40)
5T4 GE NOS 1945 (54/40 and 56/40)
