6B7 CBS Hytron NOS
6B7 Raytheon NOS 1950 era (2 in stock)
6B7 RCA Delco NOS 1940's (1 in stock)
6B7 RCA Emerson NOS 1940's
6B7 Sylvania engraved base tests like new 1930's
6B7 Sylvania NOS
6B7 US Brands used/good (3 in stock)