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(!!) 6SN7GTB Tungsol black plates tall bottle "U" getter used/75% 1950's (6.2/6.0ma)
(!!) 6X4 RCA NOS 1969 (50/40 and 51/40)
(!!) JAN-CHS-1629 Sylvania NOS 1940's bright eye
(!!) JG-12AY7 GE "D" getter 1956 used/good (2.1/2.3ma)
(!!) JTL-5687WA Tungsol bronze plates "O" getter used/good 1958 (30/30.5ma)
(!!) UY-227 RCA Balloon NOS 1930 era (4.3ma)
(!!) UY-227 RCA Radiotron Balloon used/good 1930 era (3.5ma)
(!!) UY-227 RCA Radiotron Balloon used/good 1930 era (3.7ma)
(!!) UY-227 RCA Radiotron Balloon used/good 1930 era (3.8ma)
(!!) UY-227 RCA Radiotron Balloon used/good 1930 era (4.0ma)
(!) (BEST PAIR) 12D4 GE gray plate NOS 1961-1964 (52/40 and 52/40)
(!) (BEST PAIR) 12D4 RCA black plate NOS 1960's (52/40 and 52/40)
(!) (Best Single) 12DQ6B RCA NOS 1964 (84.5ma)
(!) (Best Single) 6AH4GT Tungsol ITT NOS 1960's (34ma)
(!) (Best Single) 6V6GT Tungsol gray plate coated glass NOS 1951-1956 (64ma)
(!) (Best Sylvania) 6K6GT Sylvania chrome top NOS 1956 (41.2ma)
(!) (Recommended Pair) 6BL7GTA RCA coin-base NOS 1970's (33/35ma and 35/30ma)
(!) (Recommended Single) 6BQ5 Tungsol NOS 1960 era (39ma)
(!) (Single) 12AZ7A Tungsol gray plates "O" getter halo NOS 1960 era (8.4ma/9.0ma)
