6B4G Sylvania rebranded RCA used/good 1953 (77.5ma)
6F6G National Union black plate NOS 1951 (40.5ma)
6K6GT Silvertone by Silvertone used/good 1956 hairline crack in base (38ma)
6V6GT GE Delco used/good crack in base 1952 (36ma)
7F8W Sylvania NOS rebranded United 1952 (42/25 and 44/25) (best 7F8W)
JHY-6AK5 Hytron black plate NOS 1952 in white box (9.2ma)
