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(!) 12HG7=12GN7A GE USA NOS (62ma and 66ma)
(!) 12HG7=12GN7A GE USA NOS (71ma and 68ma)
(!) 17BF11 GE Admiral NOS 1960's (80-82/60) (CAYIN)
(!) 17BF11 Westinghouse Japan 1970's (80-82/60) (CAYIN)
(!) 1L6 Sylvania NOS 1956 (112/60)
(!) 1L6 Sylvania NOS 1957 smeared printing (20/16)
(!) 203A Sylvania brass base tests like new 1930's
(!) 247=47 RCA Balloon used/60-65% 1930's (20ma)
(!) 247=47 Tungsol Balloon used/good 1930's (23.2ma)
(!) 30 Cunningham NOS 1940's original box (2.7ma)
(!) 30 Philco engraved base NOS 1930's (3.7ma)
(!) 31 Ken Rad NOS engraved base 1940 era (11ma)
(!) 31 Tungsol NOS 1940's (11.8ma)
(!) 448A Western Electric smooth top used/good "D" getter halo 1963-1970 (1 pair: 35ma and 36.5ma) (Matched on Amplitrex)
(!) 47 GE NOS 1948 (41ma and Gm=3100) (Highest mA and Gm)
(!) 47 Raytheon engraved base box plate used/good 1930's (25.2ma Gm=1940)
(!) 47 RCA Radiotron Balloon used/good 1930's (23.4ma)
(!) 47 RCA Radiotron engraved base used/good 1930's (27.5ma Gm=2250)
(!) 47 Tungsol Aristocrat low hours/tests like new 1940's (38ma Gm=2770) (highest mA and Gm)
(!) 5687 Raytheon part bronze part black plates used/tests like new 1960 (33/38ma)
