(!!!) (Best Single) 6X5GT RCA NOS 1946 (55/40 and 60/40)
(!!!) 231=31 US Made Balloon NOS 1920's (14.2ma)
(!!!) 31 RCA Radiotron Balloon NOS 1920's (13.2ma)
(!!!) 80 RCA Victor NOS 1948 (56/40 and 58/40)
(!!) (1 Pair) 31 Cunningham NOS 1940's (11ma and 11.6ma)
(!!) (Recommended Single) 80 Philco by Sylvania NOS 1951 - 2 stains/blemishes inside glass (57/40 and 60/40)
(!!) 45 RCA Victor NOS in RCA box 1948 (39ma)
(1 Pair) 31 RCA/Cunningham NOS 1930's - 1940's (12.0ma and 13.2ma) (Same Gm)
235=35 National Union balloon used/good 1933 (38/26)
2A5 Ken Rad used/tests like new 1930's (86/50)
2A5 Tungsol used/tests like new 1940's (82/50)
35 / 51 Sylvania NOS (4 in stock)
35 / 51 US Brands NOS (16 in stock)
35 / 51 used/good (4 in stock)
35 Tungsol used/tests like new 1940's (40/26)
6K6G Cunningham used/very good 1945 era (41.6ma)
6X5GT RCA NOS 1955 (50/40 and 60/40)
7F7 Sylvania rebranded RCA Victor parallel round gray plates used/good 1950 (2.1/2.4ma)