(!!!!!) CX-380 Cunningham Balloon used/good nice condition 1930 era (49/40 and 54/40)
(!!!!) (Best Balloon) 80 RCA Radiotron Balloon used/good nice condition 1930 era (48/40 and 48/40)
(!!!!) (BEST OVERALL PAIR) 314A Western Electric Engraved base NOS 1930's (60/40 and 64/40 x 2 tubes)
(!!!) (#1 286A) 286A Western Electric "top printing" NOS 1942-1945 (7.0ma)
(!!!) (Best Single) 127 Arcturus Blue Balloon tests like new 1930 era in white box (5.6ma) (High Ma and Gm)
(!!!) (Engraved Base Single) 2A3 RCA Cunningham Radiotron black plates engraved base used/very good 1930's (93ma)
(!!!) (Recommended Pair) 12A Sylvania green leaf NOS 1940's original boxes (7.4ma and 7.1ma)
(!!!) (Recommended PAIR) 314A Western Electric Engraved base NOS 1930's (58-65/40 and 60-65/40)
(!!!) (Recommended PAIR) 314A Western Electric Engraved base NOS 1930's (58/40 and 64/40 x 2 tubes)
(!!!) (Recommended PAIR) 314A Western Electric Engraved base NOS 1930's (59-66/40 and 60-66/40)
(!!!) (Recommended Single) 127 Arcturus Blue Balloon used/good 1930 era in white box (4.3ma)
(!!!) (Recommended) 249B Western Electric Engraved Base NOS 1930's in 249C box (58/40)
(!!!) 286A Western Electric "top printing" NOS 1942-1945 (6.6ma)
(!!!) 286A Western Electric "top printing" NOS 1942-1945 (6.9ma)
(!!!) 286A Western Electric "top printing" NOS 1942-1945 (7.3ma)
(!!!) 286A Western Electric Engraved Base NOS 1930's (6.6ma)
(!!!) 314A Western Electric Engraved base NOS 1930's (full-wave rectifier) (56/40 and 63/40)
(!!!) 314A Western Electric Engraved base NOS 1930's slightly tilted glass in base (full-wave rectifier) (56/40 and 62/40)
(!!!) 80 Cunningham Balloon used/good 1930 era some white oxide flakes inside tube (44/40 and 48/40)