(!) (#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)
(!) (SINGLE) 417A/5842 LM Ericsson Sweden NOS "O" getter halo 1960's (35ma and Gm=29,700)
(!) 244A Western Electric NOS 1952 smaller side getter (4.4ma)
(!) 448A Western Electric smooth top used/good "D" getter halo 1963-1970 (1 pair: 35ma and 36.5ma) (Matched on Amplitrex)
(!) 448A Western Electric smooth top used/good 1965-1966 (1 pair: 19.2ma and 20.8ma) (Matched on Amplitrex)
(!) 448A Western Electric smooth top used/good 1971 (1 pair: 28ma and 29.4ma) (Matched on Amplitrex)
(!) 448A Western Electric smooth top used/strong 1965-1970 (1 pair: 37ma and 37.5ma) (Matched on Amplitrex)
(!) 448A Western Electric smooth top used/strong 1966-1970 (1 pair: 37ma and 40.5ma) (Matched on Amplitrex)
(!!!) (Best Pair #1) 448A Western Electric tipped top used/like new 1965-1966 (32.6ma and 31.8ma) (close Gm matching)
(!) JHS-6AK5 Sylvania NOS 1954 (5.5ma)
(1 set of 10 tubes) 448A Western Electric "SMOOTH TOP" used/test like new/85-95% output with "D" getter 1960-1971
(1 set of 10 tubes) 448A Western Electric "TIPPED TOP" used/test like new 85-95% with "D" getter 1960's
(DISPLAY TUBE) 216A Western Electric used 1920's
(!) 417A/5842 LM Ericsson Sweden used/good "O" getter halo 1960's (19ma and Gm=23,900)