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6CN7 NOS (6 in stock)
6CR6 US Brands NOS (8 in stock)
6CS6 RCA Brazil 1960's - 1970's (19 in stock)
6CS6 RCA NOS (2 in stock)
6CS6 Sylvania NOS 1960's (3 in stock)
6CU5 NOS (10 in stock)
6CU6 Sylvania black plate like new condition (54ma)
6CU6 Sylvania black plate NOS (55ma)
6CU6 Sylvania black plate NOS (72ma)
6CU6 Sylvania gray plate NOS (58ma)
6CU6 Sylvania gray plate NOS (87ma)
6CU8 US Brands (15 in stock)
6CW4 RCA NOS 1970 era (1 in stock)
6CX8 US Brands NOS (14 in stock)
6CX8 US Brands NOS (2 for $5)
6CY7 (sold out)
6CZ5 GE Canada black plate NOS 1969 (49ma) (Same build as RCA)
6CZ5 GE Europe gray plate NOS 1975 (60ma)
6CZ5 RCA black plate short bottle used/good 1960 era (48ma)
6DA5=EM81 Matsushita Japan NOS 1960's (3 in stock)
