375A Western Electric NOS 1952 (58ma)
375A Western Electric NOS 1954 broken center guide pin (27.6ma)
375A Western Electric NOS 1956 (28ma)
375A Western Electric NOS 1963 glass slightly shifted over on top of base (26.6ma)
375A Western Electric NOS 1963 reboxed (29.8ma)
375A Western Electric NOS 1963 reboxed (55ma)
375A Western Electric NOS 1964 (32ma)
375A Western Electric NOS 1964 (44.2ma)
375A Western Electric NOS 1966 glass slightly tilted (29.2ma)
375A Western Electric NOS/70% 1964 (21ma)
388A Western Electric NOS 1940's (doorknob triode)
3C24=24G Eimac NOS 1940's
3C31=C1B Electrons Inc. NJ Thyratron NOS
3D21WB MU USA NOS (0 in stock)
3E29=829B Ken Rad NOS 1940's (1 tube only - no pairs)
4-125A=4D21 Eimac used sold as-is good filament
4-125A=GL-4D21 GE NOS original box 1960's sold as-is
4-250A=5D22 RCA 1962 used original box sold as-is (good filament)
4-400A=8438 Eimac
4-65A RCA NOS 1955