(!!) UX-245 RCA Radiotron Balloon used/good 1930's rattle inside base (20.8ma)
(!!) 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 Single) ER-112A Raytheon 4-Pillar box plate 1930 era tests like new (10.2ma)
(!) (Best Single) UV-201-A Radiotron tests like new 1920's some scrapes on base (3.8ma)
(!) (Best Value Pair) CX-112A Cunningham and UX-112A RCA Balloon engraved base used/tests like new (10.2ma and 9.7ma)
(!) (PAIR) 6D6 RCA Cunningham used/good 1930's (62/40 and 62/40)
(!) (PAIR) UX-112A RCA Radiotron Balloon engraved base used/good (7.1ma and 7.4ma)
(!) 47 Cunningham used/good 1940's (26.6ma Gm=2020)
(!) 47 Raytheon engraved base box plate used/good 1930's (25.2ma Gm=1940)
(!) 47 RCA Radiotron engraved base used/good 1930's (27.5ma Gm=2250)
(!) 47 Sylvania branded Philco used/very good 1940's (28.6ma Gm=2650)
(!) 47 Tungsol Aristocrat low hours/tests like new 1940's (38ma Gm=2770) (highest mA and Gm)
(!) CX-112A RCA Cunningham Balloon engraved base used/good 1930 era (6.2ma)
(!) CX-112A RCA Cunningham Balloon ribbed plate engraved base like new 1930 era (9ma)
(!) UX-112A Radiotron Balloon engraved base used/good 1930 era (7.4ma)
(!) UX-112A Radiotron Balloon engraved base used/tests like new 1930 era (8.3ma) (Gm like new)
