(!!) 6K6GT Sylvania NOS 1970 era (42.5ma)
(!!) 6SN7GTB Tungsol black plates tall bottle "U" getter used/good 1950's (9.2/8.2ma)
(!!) 6X4 GE branded Zenith gray plates NOS 1960's (58/40 and 58/40)
(!!) 6X4 RCA NOS 1960's faded printing (49/40 and 51/40)
(!!) 71A Tungsol NOS 1946-1947 (17.5ma)
(!!) 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)
(!) (#1 6W4GT Japan Pair) 6W4GT Silvertone Japan black plate "D" getter halo NOS 1956
(!) (BEST PRICE) 6W4GT RCA NOS (4 tubes for $9.99)
(!) (BEST PRICE) 6W4GT Tungsol NOS (4 tubes for $9.99)
(!) (Best Single) 6AH4GT Tungsol ITT NOS 1960's (34ma)
(!) (Recommended Single) 6BQ5 Tungsol NOS 1960 era (39ma)
(!) (Single) 12AZ7A Tungsol gray plates "O" getter halo NOS 1960 era (8.4ma/9.0ma)
