8013A NOS (8 in stock)
8020 Amperex 1940's low hours/test like new (4 in stock)
8020 Sperti by RCA 1940's low hours/test like new (1 in stock)
8020 US Brands NOS (6 in stock)
81 ST-16 Sylvania NOS 1940's top mica tilted, 1 small glass chip inside tube (56/40)
81 ST-19 Harvey Burnam by RCA NOS engraved base 1940's (54/40)
81 ST-19 RCA Radiotron engraved base 1939, tests like new, loose glue particles inside base (good value) (53/40)
81 ST-19 RCA/Radiotron NOS RED PRINTING in original box (54/40)
816 RCA NOS 1954 (70/40)
82 Majestic Balloon NOS 1930 era (54/40 and 54/40) (rare)
82 RCA NOS 1948
82 Tungsol NOS 1948 (54/40 and 60/40)
83 GE low hours/like new 1947 (read review)
836 Raytheon NOS 1940's in white box (53/40)
84=6Z4 Belmont engraved base used/good 1930's (50/40 and 50/40)
84=6Z4 Greylock USA by National Union like new condition 1940's (49/40 and 54/40)
84=6Z4 Philco engraved base used/very good 1940 era (49/40 and 52/40)
84=6Z4 Philco used 1950's (44/40 and 46/40)
84=6Z4 Philco used/fair 1940's (42/40 and 43/40)
84=6Z4 RCA NOS GT-shape glass slightly tilted glass 1967 (44/40 and 47/40)
