(!!!!!) (Good Value Single) 12AU7=ECC82 Mullard UK long plates "O" getter halo used/good 1958 (9.0/8.8ma)
(!!!!!) (Recommended Pair) 6350 Sylvania black plates NOS 1950's "D=SQUARE" getter rebranded United (8.8/9.2ma and 9/10.2ma)
(!!!) (PAIR) 6350 Sylvania black plates "D" getter NOS 1950's (11/9ma and 11.4/9.2ma)
(!!!) (Recommended Single) GB-6350 Sylvania Gold Brand black plates NOS 1962 square "D" getter (10.2/10.8ma)
