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(!) (BEST PAIR) 0C3 RCA NOS - 1 tube branded GE 1959 and 1962 (1 pair) (argon)
(!) (Best Pair) 0D3 RCA NOS 1951 (argon)
(!) (BEST PAIR) 12D4 GE gray plate NOS 1961-1964 (52/40 and 52/40)
(!) (BEST PAIR) 12D4 RCA black plate NOS 1960's (52/40 and 52/40)
(!) (BEST PAIR) 20LF6 GE Zenith NOS 1978 same date codes (100/60 and 100/60)
(!) (Best Pair) 2A5 Tungsol NOS 1945 (90/50 and 90/50)
(!) (BEST PAIR) 5727=2D21 RCA NOS 1958 (1 pair)
(!) (BEST PAIR) 6CA4 RCA NOS 1960's - 1972 (54-56/40 and 54-54/40) (Wright, Counterpoint, Cary, Zanden)
(!) (Best Pair) 6CL8A GE NOS 1978 (1 Pair)
(!) (BEST PRICE) 0B2 RCA used/good 1960's - 1970's (4 tubes for $9.99)
(!) (BEST PRICE) 50C5 Mixed US Brands, Canada, Japan used/good (4 for $29.99)
(!) (Best RCA Single) 6LQ6 RCA NOS 1971 (95ma)
(!) (Best Single) 2A5 RCA by Sylvania NOS 1947 (89/50)
(!) (Best Single) 2A5 RCA NOS 1940's (93/50)
(!) (Best Single) 2X2 National Union NOS 1950 era (59/40)
(!) (Best Single) 5Z3G Hytron NOS 1947 (51/40 and 51/40)
(!) (Best Single) 5Z3G RCA FAA NOS 1962 (56/40 and 55/40)
(!) (BEST SINGLE) 6HF5 Sylvania NOS 1970 era (117.5ma)
(!) (BEST SINGLE) 6JB6 Sylvania branded RCA NOS 1970's (81ma)
(!) (BEST SINGLE) 6JB6A RCA NOS 1970 era (100ma)