(!!!!) 56 Arcturus Blue Balloon engraved base tests like new 1930's (5.0ma)
(!!!) (Best Balloon 50) 450=50 Sparton Balloon tests like new 1930 era (61.5ma) (High mA and Gm) (rare 50)
(!!!) (BEST PAIR) 485 National Radio tube engraved base mesh-plate NOS 1930's (6.0ma and 6.4ma) (variant of 27)
(!!!) (Recomended Balloon 50) CX-350 Cunningham Balloon used/good 1930 era - very good condition (44.2ma) (rare 50)
(!!) 6E5 RCA NOS 1940's (2 in stock)
3V4 Tungsol NOS 1960 era (101/60)
3V4 Tungsol NOS 1960 era (99/60)
482B=182 Sparton engraved base tests like new 1930's (21ma Gm=2000)
485 Sparton engraved base used/good 1936 (5.5ma)
485 Sylvania used/good 1930's no printing (7.9ma)
