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(!!!) 31 RCA Radiotron Balloon NOS 1920's (13.2ma)
(!!!) 5881 Tungsol used/good 1957 (58ma)
(!!!) 6336 Chatham metal plates used 1954 (59/74ma)
(!!!) 6336 Chatham metal plates used 1957 (57/53ma)
(!!!) 6B4G Tungsol NOS 1940's (81ma)
(!!!) 6V6G Super Silvertone by Sylvania used/good 1930's (37ma)
(!!!) 6V6G Zenith Sylvania engraved base used/good 1930's (39ma)
(!!!) 6V6GT Sylvania green leaf NOS 1940's (60ma)
(!!!) 8417 GE NOS 1986 (103.5ma)
(!!!) CX-331 Cunningham NOS 1920's (12ma) (rare)
(!!!) JAN-CTL-6AR6 Tungsol NOS 1951 gray oval plates (88ma)
(!!!) X99=UX-99 Continental Chicago by RCA NOS 1920's (2.5ma)
(!!) (#1 374A) 374A Western Electric gray plate used/test like new 1960's (21-25ma) (6 in stock)
(!!) (#1 7551 Pair) 7551 RCA black plate branded Motorola NOS 1970's (45.2ma and 46ma)
(!!) (#1 7551 Pair) 7551 RCA black plate branded Motorola NOS 1970's (48ma and 48.2ma)
(!!) (#1 800 black plate single) 800=VT-64 RCA black plate like new 1940's (52ma, Gm=2430) (tested on Amplitrex)
(!!) (#2 800 gray plate) 800=VT-64 RCA gray plate NOS late 1940's (47.5ma, Gm=2150) (tested on Amplitrex)
(!!) (#3 7551 Pair) 7551 RCA black plate branded Motorola NOS 1970's (44ma and 45ma)
(!!) (1 Pair) 30 RCA Cunningham NOS 1946 (2.6ma and 3.1ma)
(!!) (1 Pair) 31 Cunningham NOS 1940's (11ma and 11.6ma)
