6R7 Hytron metal NOS 1951 (115/60)
6R7 metal NOS (2 in stock)
6R7 Sylvania metal used/like new 1940's (88/48)
6R7GT Haltron England 1940's tests like new (85/48) strong single
6R7GT Ken Rad NOS 1944 (100/48)
6R7GT Ken Rad NOS 1944 (108/48)
6R7GT RCA NOS 1940's (2 in stock)
