(!!!) 6KD6 Sylvania double plates NOS 1960's (98ma)
(!!!) 80 Cunningham Balloon used/good 1930 era some white oxide flakes inside tube (42/40 and 50/40)
(!!!) 83 Westinghouse low hours/tests like new 1948 small amount of graphite flaked off one plate (62/40 and 63/40)
(!!!) CX-380 Cunningham Balloon used/65% 1930 era some white oxide flakes inside tube (39/40 and 44/40)
(!!!) JAN-5814A Sylvania NOS 1967 (8.4/9.2ma)
(!!!) JAN-5814A Sylvania NOS 1967 (8.6/11.2ma)
(!!!) USN-CRC-1629=VT-138 RCA NOS 1940 (bright eye) (oldest single)
(!!) (#1 37 Pair) 37 RCA like new 1940's (7.7ma and 7.8ma) 1% matched
(!!) (#1 37 Pair) 37 RCA NOS 1940's (7.3ma and 7.5ma)
(!!) (#1 37 Pair) 37 RCA NOS 1940's (8.5ma and 8.5ma) 1% matched
(!!) (#1 374A) 374A Western Electric gray plate used/test like new 1960's (21-25ma) (6 in stock)
(!!) (#1 6HM5 Japan Pair) 6HA5=6HM5 Hitachi Japan branded RCA NOS 1970's (14.5ma and 15ma) (Highest Ma and Gm)
(!!) (#1 7551 Pair) 7551 RCA black plate branded Motorola NOS 1970's (45.2ma and 46ma)
(!!) (#1 7551 Pair) 7551 RCA black plate branded Motorola NOS 1970's (48ma and 48.2ma)
(!!) (#2 6HM5 Japan Pair) 6HA5=6HM5 Hitachi Japan branded RCA NOS 1970's (12ma and 13ma)
(!!) (#2 83 single) JAN-CRC-83 RCA NOS 1952 some black graphite flakes inside tube flaked off plate (58/40 and 60/40)
(!!) (#3 56 Sylvania Pair) 56 Sylvania black plate NOS 1940's branded Western Electronics 1940's one tube has slightly tilted glass (5.2ma and 5.5ma)
(!!) (#3 7551 Pair) 7551 RCA black plate branded Motorola NOS 1970's (44ma and 45ma)
(!!) (#4 Type 30 PAIR) USN-CRC-30 RCA NOS 1940's "L" bracket (2.4ma and 2.8ma)
(!!) (#Recommended Single) 12AZ7 Tungsol black plates "U" getter halo NOS mid-1950's (9.0ma/9.2ma) 2% section balance
