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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
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 sold as-is
4-250A=5D22 RCA 1962 used original box sold as-is 1962 (good filament)
4-400A=8438 Eimac
4-65A RCA NOS 1955
4-65A=8165
40KG6A=PL519 JAPAN branded RCA tall bottle clear top NOS (1 in stock)
41 Philco engraved base used/good 1930's (72/40)
41 Sylvania Philco NOS 1952 (75/40)
