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(!!!!) (SINGLE) 6973 RCA branded GE gray plate NOS 1974 (40ma)
(!!!!) (Single) 6BK7B GE gray plates NOS "U" getter 1963 (6.2/5.4ma)
(!!!!) (Single) 6BK7B RCA NOS "U" getter 1950's (7.5/8.5ma)
(!!!!) (Single) 6BK7B RCA NOS 1960's faded printing (7.4/7.4ma)
(!!!!) (Single) 6BK7B RCA NOS 1962 (7.4/8.3ma)
(!!!!) (Single) 6BK7B Tungsol branded RCA "U" getter 1957 (10/14ma)
(!!!!) (Single) 6L6G Ken Rad branded GE black plate coated glass NOS 1949 (65ma)
(!!!!) (Single) 6L6G RCA branded Philco black plate NOS 1940's (61ma)
(!!!!) (Single) 6L6G Sylvania black plate coated glass NOS 1940's (71ma)
(!!!!) (Single) 6L6G Sylvania black plate coated glass NOS 1951 (64ma)
(!!!!) (Single) 6L6G Sylvania black plate coated glass NOS 1951 (78.8ma)
(!!!!) (Single) 6SN7GT RCA NOS 1954 (7.8/7.6ma)
(!!!!) (Single) 6U8A GE NOS 1977 (15ma/9.4ma)
(!!!!) (Single) ER-245 Eveready Raytheon Balloon box plate used/good 1932 (31ma) (nice condition)
(!!!!) (Slightly microhonic Single) 5751 RCA Hewlett Packard black plates NOS 1968 (2.4/2.6ma)
(!!!!) 12BH7A Westinghouse gray ribbed plates used/good "U" getter 1960 era (8.4/11ma)
(!!!!) 5654=6AK5W GE Dumont NOS 1970's (10.2ma)
(!!!!) 6336A Tungsol branded Heintz and Kaufman 1960's (62/76ma) ***
(!!!!) 6AK5 GE NOS 1973 (10.2ma)
(!!!!) 807 RCA black plate ceramic base NOS 1940's with data sheet (72.5ma) (1st series made) (rare)