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(!!!!!) (Best Value Single) 45 Sylvania green leaf NOS 1940's production stains on glass (37.2ma) (Highest mA and Gm)
(!!!!!) (Best Value) 45 Tungsol used/good 1940's (27ma)
(!!!!!) (Good Value Pair) 45 RCA/Cunningham engraved base used/75% (22.4ma and 23.8ma) (Close Gm)
(!!!!!) (Good Value Single) 45 Sylvania branded RCA NOS 1952 production stains on glass (31.6ma)
(!!!!!) (Recommended Pair) 45 RCA and Cunningham used/good (29ma and 33ma) 1-3% matched
(!!!) (Best Value Single) 45 Tungsol tests like new 1940's (40ma)
