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0C2 RCA NOS 1963 (1 in stock) (neon)
0C3 CBS NOS 1955 (argon)
0C3 GE NOS 1946 (argon)
0C3 GE NOS 1960's (argon)
0C3 National Russian NOS 1970's (neon)
0C3 RCA NOS 1951 argon
0C3 RCA NOS 1974 rattle in base from dried glue particles - argon
0C3 RCA used/good 1940's (argon)
0C3 RCA used/test like new 1951 (1 Pair)
0C3=VR105 RCA used/good 1940's
0C3=VR105 RCA used/good 1948 (argon)
0C3A Sylvania used/like new 1970's (single)
0C3W Tungsol branded Marshall NOS 1968 (high stability 0C3)
0C3W Tungsol rebranded 0C3 National NOS (1 in stock) (argon)
0D3 GE low hours/like new 1960 (argon)
0D3 Hytron branded Electronic Enterprises NOS 1950 era (argon)
0D3 Raytheon NOS 1960's (argon)
0D3 RCA branded GE NOS 1966 (argon)
0D3 RCA like new 1974 (argon)
0D3 RCA NOS 1951 (argon)
