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(!!!!) (Best Pair 1940's) 6L6GA Sylvania and Philco Sylvania coated glass NOS 1944 (67ma and 67.2ma)
(!!!) (Best Pair #2) 6L6GA Philco Sylvania and Sylvania coated glass NOS 1944 (76ma and 71ma)
(!!!) (SINGLE) 6L6GAY Sylvania brown base NOS 1956 aged 48-hours (73ma)
(!!!) (SINGLE) 6L6GAY Sylvania brown base NOS 1956 aged 48-hours (84.2ma)