(!!!!) (Best Pair) 1L6 Sylvania NOS 1950 same date codes (20/16 and 19/16)
(!!!) 1L6 Sylvania branded GE NOS 1973 original box (115/60)
(!) 1L6 Sylvania NOS 1957 smeared printing (20/16)
(!!!) 1L6 Sylvania NOS 1970 era (112/60)
(!) 1L6 Sylvania NOS 1956 (112/60)
(!!!) 1L6 Tungsol NOS 1954 (113/60)