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(!!!!) 5998 Tungsol IBM black plates used/very good 1960 (80/96ma) (close Gm)
(!!!!) 6336A Tungsol branded Heintz and Kaufman 1960's (62/76ma) ***
(!!!) (BEST PAIR #1) JAN-CAHG-5R4WGA Chatham by Tungsol NOS 1959 (50-56/40 and 51-56/40)
(!!!) (BEST PAIR #2) JAN-CAHG-5R4WGA Chatham by Tungsol NOS 1959 (49-54/40 and 49-55/40)
(!!!) (Recommended Single) 6336A Tungsol NOS 1960 era (75/80ma) ***
(!!!) (Single) 6080 GE NOS 1970's (132/83ma)
(!!!) (Single) 6080 GE NOS 1974 (70/106ma)
(!!!) (Single) 6080 GE NOS 1978 (78/115ma)
(!!!) 6336 Chatham metal plates used 1954 (59/74ma)
(!!!) 6336 Chatham metal plates used 1957 (57/53ma)
(!) JAN-CEA-5R4WGB Bendix NOS 1962 original box (51/40 and 54/40)
0C3W Tungsol branded Marshall NOS 1968 (high stability 0C3)
0C3W Tungsol rebranded 0C3 National NOS (1 in stock) (argon)
2050W Chatham by Tungsol NOS 1959 (2 in stock)
6080WB Raytheon black plates NOS 1966 (95/120ma)
6336A GE used/good 1960 era (74/79ma)
6336A RCA branded GE used/good 1960 (61/79ma)
6336A RCA NOS 1971 (55/70ma)
6336A RCA used/good 1968 (81/120ma) ***
6336A Tungsol used 1963 (52/56ma) ***