(!!) (#1 0C3 Pair) 0C3 GE NOS 1946
(!!) (#1 0C3 Quad) 0C3 GE NOS 1946 (set of 4)
(!!) (Best Pair) 0A2=150C2 Valvo Hamburg Germany NOS mesh-plate 1963
(!!) (Best Single) US-NAVY-CRC-38205=0C3 RCA NOS 1940-1945 (argon)
(!!) (Recommended Pair) 0B3 Sylvania NOS 1956 same build
(!!) (Recommended Pair) 0C3 GE NOS 1946
(!!) (Recommended Pair) 180C1=0B2 Siemens made in Hamburg Germany NOS 1960 (argon gas)
(!!) 0C3 GE branded 0C3A NOS 1976 (1 Pair)
(!!) 0C3 RCA branded GE NOS 1966-1970 (1 Pair)
(!!) 0C3 Sylvania branded GE NOS 1972-1976 (1 Pair)
(!!) GB-0A2WA Sylvania Gold Brand low hours/like new 1970 era
(!) (#1 0D3 Pair) 0D3 RCA NOS 1946
(!) (BEST PRICE) 0B2 RCA used/good 1960's - 1970's (4 tubes for $9.99)
(!) (Recommended Pair) 5651 Sylvania branded RCA NOS 1982 (1 pair)
(!) (Recommended Pair) 5651 Sylvania NOS 1970 era (1 pair)
(!) 0A2 Tungsol used/like new 1960's (1 pair)
(!) 0B2 GE NOS 1955 (argon gas)
