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(!!!) (Best Value Pair) 5Z3G RCA NOS 1957 in gold colored boxes slightly tilted glass (56-59/40 and 57-60/40)
(!!!) (Recommended Single) 5Z3G RCA NOS 1954 (58/40 and 60/40)
(!!!) (Recommended Single) 5Z3G RCA NOS 1957 (58/40 and 60/40)
(!!!) (Recommended Single) 5Z3G RCA NOS 1957 (60/40 and 62/40)
(!!!) (Recommended Single) 5Z3G RCA NOS 1957 (60/40 and 63/40)
(!!!) (Recommended Single) 5Z3G RCA NOS 1971 (56/40 and 58/40)
(!!) (SINGLE) 5R4GY RCA brown base used/good 1947 (52/40 and 50/40)
(!) (Best Single) 5Z3G RCA FAA NOS 1962 (56/40 and 55/40)
