(!!!) (Recommended Pair 1957) 5Z3G RCA NOS 1957 in gold colored boxes slightly tilted glass (56-59/40 and 57-60/40)
(!!!) (Recommended Pair 1957) 5Z3G RCA NOS 1957 in gold colored boxes slightly tilted glass (57-61/40 and 57-62/40)
(!!!) (Recommended Pair) 83 Sylvania branded RCA NOS 1984 original boxes (61-62/40 and 60-62/40)
(!!!) (Recommended Single) 5Z3G RCA NOS 1954 (58/40 and 60/40)
(!!!) (Recommended Single) 5Z3G RCA NOS 1957 (57/40 and 58/40)
(!!!) (Recommended Single) 5Z3G RCA NOS 1971 (56/40 and 58/40)
(!!!) (Recommended Single) 6106 Bendix rebranded 5Y3WGTA Heintz & Kaufman NOS (64/40 and 65/40)
(!!!) (Recommended Single) 6106 Bendix rebranded 5Y3WGTA Heintz & Kaufman NOS (64/40 and 66/40)
(!!!) (Recommended Single) CV378=GZ37 Mullard NOS "O" getter halo 1967 (50/40 and 50/40)
(!!!) (Recommended Single) EZ81=6CA4 RFT East Germany NOS 1970's faded printing (50/40 and 50/40)
(!!!) (Set of 6) 6106 Bendix 1950's NOS rebranded 5Y3WGTA Heintz & Kaufman in 1970's (Set of 6 = 3 pairs)
(!!!) 5U4GB GE NOS 1971 (58/40 and 61/40)
(!!!) 5V4G Sylvania NOS 1954 (56/40 and 56/40)
(!!!) 6CA4=EZ81 GE NOS 1980 (55/40 and 55/40)
(!!!) 80 Cunningham Balloon used/good 1930 era some white oxide flakes inside tube (42/40 and 50/40)
(!!!) 83 Westinghouse low hours/tests like new 1948 small amount of graphite flaked off one plate (62/40 and 63/40)
(!!!) CX-380 Cunningham Balloon used/65% 1930 era some white oxide flakes inside tube (39/40 and 44/40)
(!!) (#2 83 single) JAN-CRC-83 RCA NOS 1952 some black graphite flakes inside tube flaked off plate (58/40 and 60/40)
(!!) (10 more in stock next week) 5993 Bendix Rectifier NOS (Premium 6X4 with a different pin-out)
(!!) (BEST PAIR) 5Y4GA RCA NOS 1969 same date codes (52-56/40 and 52-57/40)
