(!!) (BEST PAIR) 6BQ6GTB=6CU6 Sylvania JAN NOS 1960's (56ma and 56ma)
(!!) (BEST PAIR) 6BQ6GTB=6CU6 Sylvania JAN NOS 1960's (62ma and 63ma)
(!!) (BEST PAIR) 6BQ6GTB=6CU6 Sylvania NOS 1960's (54ma and 54.5ma)
(!!) (BEST PAIR) 6BQ6GTB=6CU6 Sylvania NOS 1960's (62ma and 61.5ma)
(!!) (PAIR) 6BQ6GTB=6CU6 Sylvania NOS 1960's (48.5ma and 48.6ma)
(!!) (PAIR) 6BQ6GTB=6CU6 Sylvania NOS 1960's (51ma and 52.5ma)
6BQ6GTB=6CU6 RCA NOS (12 in stock)
6BQ6GTB=6CU6 Sylvania NOS 1960's (25 in stock)
6CU6 Sylvania black plate like new condition (54ma)
6CU6 Sylvania black plate NOS (55ma)
6CU6 Sylvania black plate NOS (72ma)
6CU6 Sylvania gray plate NOS (58ma)
6CU6 Sylvania gray plate NOS (87ma)
