(!!!) (BEST PAIR) 6463 GE NOS 1966 (16.8/21ma and 17.6/21.5ma) (Highest mA and Gm)
6463 GE 5 Star NOS 1960 (14/20ma)
6463 GE 5 Star NOS 1964 (11/12ma)
GL-6463 GE NOS "U" getter halo 1955 (11/12.8ma)
GL-6463 GE NOS "U" getter halo 1955 (14/20ma)
(!!!) (BEST PAIR) 6463 GE NOS 1965 (16.4/16.5ma and 16.8/17.8ma) (same pinout as 6350)
(!!!) (Recommended PAIR) 6463 GE NOS 1965 (15.0/16.4ma and 15.6/15.8ma) (same pinout as 6350)
