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XXFM=7X7 Sylvania branded Philco NOS (2 in stock)
7H7 Sylvania branded GE used/good 1940's (101/60)
(!) (BEST PAIR) 7B7 Sylvania branded GE NOS 1952 (100/60 and 98/60)
7B7 Philco by Sylvania chrome top used/very good 1940's (98/60)
7A4=XXL Sylvania branded JEWEL NOS 1940's in tan box (118/50)
7A4=XXL Sylvania used/tests like new 1949 no printing (86/50)
7F7 Sylvania round black plates used/good 1960's (1.9/1.7ma)
(!) (Best Pair) 7C7 Sylvania chrome tops NOS 1952 (93/60 and 95/60)
JAN-CHS-7A8 Sylvania tests like new 1940's (88/60)
7A8 RCA tests like new 1940's (84/60)
7A7 Tungsol NOS (2 in stock)
(!) (PAIR) 7A7 Philco by Sylvania used/strong 1940's (58/44 and 60/44)
7A7 Sylvania used/good 1951 (56/44)
