6JS6C RCA used/good 1970's (68ma)
6JS6C Sylvania branded Philco NOS (91ma)
6JS6C Sylvania branded RCA NOS 1970's (64ma)
6JS6C Sylvania NOS (75ma)
6JS6C Sylvania used/good (80ma)
6KD6 GE branded Dumont NOS (83ma)
6KD6 GE NOS (83ma)
6KD6 Sylvania branded RCA NOS 1970's (87ma)
6KD6 Sylvania NOS (102ma)
6KD6 Sylvania NOS (112ma) (Yaesu)
