(!!) (#1 0C3 Pair) 0C3 GE NOS 1946
(!!) (#1 0C3 Quad) 0C3 GE NOS 1946 (set of 4)
(!) 0C3=VR-105 RCA tests like new 1951
0C3 GE NOS (7 in stock)
0C3 RCA NOS 1940's (single)
0C3 RCA NOS 1969
0C3=VR105 National Union NOS around 1950
0C3=VR105 Philco by Sylvania like new 1952 (single)
0C3=VR105 US Brands used/good (4 in stock)
0C3A Russian rebranded OC3 GE West Germany NOS 1970's (1 pair)
0C3A Russian rebranded OC3 GE West Germany NOS 1970's (2 in stock)
0C3A Sylvania NOS 1970's (single)
0C3A Sylvania used/like new 1970's (single)
0C3W Chatham by Tungsol like new 1957