(!!) (Best Pair) 0D3 RCA NOS 1964-1965 (argon)
(!) (Best Pair) 0D3W Chatham by Tungsol NOS 1951-1953 (high stability 0D3) (argon)
(!) (Pair) 0D3 RCA NOS 1975 (argon)
(PAIR) 0D3A Russian rebranded GE Holland NOS 1980 (1 pair)
0D3 GE low hours/like new 1960 (argon)
0D3 Hytron branded Electronic Enterprises NOS 1950 era (argon)
0D3 RCA used/good 1950 (argon)
0D3 RCA used/good 1954 (argon)
0D3 Westinghouse NOS 1940's reprinted in 1975 (argon)
0D3A Sylvania branded RCA NOS 1970's (1 pair) (argon)
USN-38250=0D3 RCA like new 1944 reboxed (argon)
