6A3 RCA Victor NOS 1948-1949 (62ma)
6A3 Tungsol coated glass used/good 1940's (44ma)
6A3 Tungsol coated glass used/good 1940's (60ma)
6AC5GT Sylvania NOS 1940's (39/21)
6B4G Ken Rad branded RCA coated glass NOS 1946 (110ma)
6V6GT Ediswan UK NOS no printing (41ma)
KT66 GEC UK brown base used/70% 1966 (64ma)
