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7F7 Sylvania parallel round black plates 1940's no printing (2.0/1.9ma)
7F7 Sylvania branded GE staggered round black plates 1958 used/good (2.1/2.3ma)
7F7=VT-189 Sylvania rebranded GE round black plates used/like new 1943 (3.0/3.4ma)
(!!) 7N7 Sylvania NOS 1960's (8.6/10.2ma)
7N7 Sylvania branded RCA chrome top used/good 1956 (6.6/8.4ma)
7B7 Tungsol NOS 1949
7C6 Sylvania branded RCA used/like new 1956 (98/60)
7A4=XXL National Union NOS
7A4=XXL Sylvania used/tests like new 1952 (94/50)
7A5 US Brands NOS (20 in stock)
7A5 Sylvania NOS (2 in stock)
7A6 US Brands NOS (12 in stock)
7A7 National Union NOS (2 in stock)
7A7 Sylvania NOS (1 in stock)
7A8 Sylvania branded GE NOS 1952 (98/60)
7A8 US Brands NOS (2 in stock)
7AD7 US Brands NOS (8 in stock)
(!!) (PAIR) 7AF7 Sylvania branded RCA and GE NOS black round plates NOS 1956-1958 (7.0/7.6ma and 8.2/7.8ma) (close Gm matching)
7AF7 Sylvania branded Raytheon NOS gray round plates NOS 1948 printed in 1952 (10/10ma) 1-2% section balance
7AG7 US Brands NOS (3 in stock)
