(!!) (1 Pair) 6SH7GT Ken Rad 1950's rebranded Raytheon NOS 1970 (12.0ma and 12.8ma) (close Gm)

1 Pair) 6SH7GT Ken Rad 1950's rebranded Raytheon NOS 1970 in white boxes
1 tube) 12.0ma Gm=5700 some surface rust on metal base
1 tube) 12.8ma Gm=5800