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7586 Sylvania Nuvistor NOS (1 in stock)
7586 Sylvania Nuvistor NOS (75/60)
7587 RCA Kuhl-Tube cryo-treated NOS 1950's original boxes (8 in stock)
7587 RCA NOS 1950's original boxes (18 in stock)
7587 US Brands NOS (10 in stock)
7895 RCA nuvistor NOS 1950's (95/60) (sold out)
8056 used/tests like new 1949 (sold out)
8058 RCA Nuvistor NOS (2 in stock)
6DS4 RCA NOS (1 in stock)
7587 US Brands NOS (2 for $58)
(!!!) (Best Pair #3) 6CW4 RCA NOS 1961-1965 (103/60 and 102/60)
(!!!!) (BEST Pair) 6CW4 GE NOS 1975-1976 (120/60 and 120/60) (strong emission)
(!!!!) (BEST Pair #3) 6CW4 GE NOS 1974-1978 (105/60 and 107/60) (strong emission)
