(!!) (BEST PAIR 1950's) 0C3 CBS NOS 1955 (argon)
(!!) 0C3 Sylvania branded GE NOS 1972-1976 (1 Pair)
(!) (1 PAIR) 0C3 GE branded 0C3A NOS 1976 (argon)
(!) (BEST PAIR) 0C3 RCA NOS - 1 tube branded GE 1959 and 1962 (1 pair) (argon)
(!) 0C3 RCA used/test like new 1951 (1 pair)
(!) 0C3=VR-105 GE tests like new 1969 argon
(PAIR) 0C3A Russian rebranded OC3 GE Germany NOS 1977 (1 pair) (Copy)
(PAIR) 0C3A Russian rebranded OC3 GE Italy NOS 1982 (1 pair)
0C3 RCA NOS 1951
0C3 RCA used/test like new 1951 (1 Pair)
0C3=VR105 GE used/tests like new 1970 (argon)
0C3=VR105 RCA used/good 1940's
0C3=VR105 RCA used/good 1948 (argon)
0C3A Russian rebranded GE Italy 1970's (3 in stock)
0C3A Sylvania used/like new 1970's (single)
0C3W Tungsol rebranded 0C3 National NOS (2 in stock) (argon)
