(!) (1 PAIR) 0D3 RCA used/test like new 1960-1962 (argon)
(!) (Pair) 0D3 GE NOS 1957-1959 (argon)
(!) 0D3 RCA NOS 1976 slightly tilted glass (argon)
0D3 CBS NOS 1950 era (argon)
0D3 Hytron like new 1949 (argon)
0D3 RCA low hours/tests like new 1946 (argon)
0D3 RCA used/good 1954 (argon)
0D3 Sylvania NOS 1960's (argon)
0D3 Tungsol NOS 1960 era (argon)
0D3A Sylvania NOS 1970's (1 pair)
JAN-CRC-0D3 RCA used/tests strong 1940's (argon)
VR-150=VT-139=0D3 Sylvania NOS 1940's (argon)