(!!!) (Slightly microphonic single) JW-2C51=396A Western Electric "D" getter 1949 (6.2/6.4ma) (oldest 396A, 1st series made)
(!!) (Good Value Pair) 272A Western Electric "meshplate" NOS and used/good 1952-1954 (5.2ma and 5.6ma)
(!!) (Good Value Pair) 272A Western Electric "meshplate" used/good 1951 and 1956 (5.8ma and 5.9ma)
(!!) (Good Value Pair) 311B WE used/good, faded getters 1960 and 1967 (28ma and 33ma)
(!!) (Recommended Pair) 272A Western Electric "meshplate" NOS and low hours/like new 1940's - 1951 (6.3ma and 6.4ma)
(!!) (Recommended Single) 311B Western Electric NOS 1967 glass slightly tilted, large getter, in white box (33ma)
(!!!!) (Recommended Pair) 5842=417A Amperex "PQ" USA Nickel Pins "O" getter halo NOS 1985 (35ma and 37ma)
(!!) 101F Western Electric used/good 1967 (5.6ma)
(!!) 286A Western Electric "top printing" NOS 1942-1945 (6.9ma) (Buy two 286A receive 5% discount)
(!!) 286A Western Electric low hours/tests like new "top printing" 1942-1945 (6.8ma)
(!) (#1 231D Best Value Pair) 231D Western Electric NOS 1953 (1.8/1.8ma)
(!) (#1 231D Best Value Pair) 231D Western Electric NOS 1954 (1.6/1.6ma)
(!!!) (Best Overall Pair) 286A Western Electric "top printing" mesh-plate NOS 1942-1945 (6.4ma and 6.6ma)
(!) (Pair) 404A Western Electric used/good 1963-1966 (17.0ma and 17.2ma)
(!!!) (Best Pair) 713A Western Electric by Tungsol NOS 1942-1943 (7.1ma and 7.0ma) (713A=717A with black base)
(!) (Pair) 417A Western Electric used/good 1977 (12.2ma and 14ma)
(!) (#2 231D Best Value Pair) 231D Western Electric NOS 1953 (1.7/1.7ma)
(!) (#2 404A Pair) 404A Western Electric used/tests like new 1965-1970 (23.0ma and 23.8ma)
(!) (Best Single) 407A Western Electric tests like new 1960 (42/26 and 50/26)
(!) (SINGLE) 417A/5842 LM Ericsson Sweden NOS "O" getter halo 1960's (35ma and Gm=29,700)
