7F8 Sylvania NOS "D" getter 1951 (91/60 and 93/60)
7F8 Sylvania NOS 1946-1947 (91/60 and 94/60)
7F8 Sylvania used/good 1956 (34/25 and 39/25)
7F8 Sylvania used/good 1957 (34/25 and 38/25)
7F8W Sylvania branded United NOS 1950 (36/25 and 42/25)
7F8W Sylvania NOS 1950's reprinted 1970's (38/25 and 41/25)
7F8W Sylvania NOS rebranded United 1952 (42/25 and 44/25) (best 7F8W)
