(!!) (Best Single) 407A Western Electric NOS 1979 (47/26 and 50/26)
407A LM Ericsson Sweden like new 1960's (41/26 and 42/26)
407A LM Ericsson Sweden used/good 1960's
407A Sylvania branded RCA gold pins used/good 1971
407A Sylvania branded RCA NOS 1977
407A Sylvania gold pins used/good 1960's
407A Western Electric like new 1968 in white box (54/26 and 64/26)
(!) (Best Single) 407A Western Electric NOS 1962 (44/26 and 49/26)
407A Westinghouse Canada NOS 1960's
(!!!) (Recommended Pair) 407A Western Electric NOS "D" getter 1962-1970 (36-39/26 and 34-38/26)
407A Western Electric NOS 1974 (32/26 and 34/26)
GB-407A Sylvania Gold Brand gold pins like new 1960's
GB-407A Sylvania Lenkurt Gold Brand gold pins used/like new 1960's
(!!!) (Recommended Pair) 407A Western Electric NOS "O" getter 1978 (35-43/26 and 37-43/26)
(!!!) (Recommended Pair) 407A Western Electric NOS "O" getter 1972-1983 (40-40/26 and 42-43/26)
(!!!) (Best Pair) 407A Western Electric NOS "O" getter 1979-1983 (46-42/26 and 46-42/26)
(!!!) (Recommended Pair) 407A Western Electric used/good 1963-1964 (35-38/26 and 36-38/26)
407A Western Electric used/good 1959 (32/26 and 34/26)
407A Western Electric used/good 1962 (35/26 and 42/26)