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(!!!!) (BEST PAIR) 5R4GYB RCA and RCA branded Westinghouse NOS 1961-1970 (50-52/40 and 50-53/40)
(!!!!) (BEST PAIR) 5R4GYB RCA and RCA branded Westinghouse NOS 1961-1970 (50-52/40 and 50-53/40)
$ 49.99
1 pair) 5R4GYB RCA and RCA branded Westinghouse NOS 1961-1970 large getters
1 tube) 50/40 and 52/40
1 tube) 50/40 and 53/40
See more: vacuum tube