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(!!) 12BH7A Sylvania NOS pinched plates 1970's (7.4/8.8ma)
(!!) 12BH7A Westinghouse black plates "U" getter used/good 1950's (6.2/7.2ma)
(!!) 12BY7 Sylvania coated glass NOS 1953 faded printing (21.5ma)
(!!) 12SN7GT Sylvania Philco chrome top black plates NOS 1956 (8.2/8.4ma)
(!!) 13D3 Brimar UK black plates tests like new 1962 (6.8ma/7.2ma) (similar to 12AU7)
(!!) 13EM7 RCA black base black plates NOS 1968 (2.0ma/28ma)
(!!) 227 National balloon used/good, rattle inside base 1930 era (5.3ma)
(!!) 26 Cunningham NOS 1946 (5.4ma, Gm=1000)
(!!) 26 GE NOS 1946 (6.7ma, Gm=1200)
(!!) 26 RCA NOS 1946 (4.3ma, Gm=900)
(!!) 26 RCA Radiotron balloon used/good 1920's (6.2mA Gm=900)
(!!) 26 Super Silvertone by National Union NOS 1940's (5.7ma, Gm=1200)
(!!) 26 Tungsol NOS 1945 (4.4ma, Gm=1000)
(!!) 286A Western Electric "top printing" NOS 1942-1945 (6.9ma) (Buy two 286A receive 5% discount)
(!!) 286A Western Electric low hours/tests like new "top printing" 1942-1945 (6.8ma)
(!!) 403A=6AK5 Western Electric used/good 1970 (8.2ma)
(!!) 403B=6AK5 Western Electric "D" getter NOS 1969 (4.5ma)
(!!) 403B=6AK5 Western Electric "D" getter used/good 1947 (4.8ma) (1st version)
(!!) 403B=6AK5 Western Electric NOS "O" getter 1980 in 1979 box (5.8ma)
(!!) 5654=6AK5 RCA Command Series black plate NOS 1968 (6.8ma)