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(!!!!) (Best Single) 12BH7A Sylvania Silvertone gray oval plates large "D" getter halo 1950's NOS (13.6/12.4ma)
(!!!!) (Single) 12BH7A GE gray oval plates 1962 (6.6/9.6ma)
(!!!!) (Single) 12BH7A Sylvania gray oval plates "O" getter NOS 1960 era (10.4/7.6ma)
(!!!!) (Single) 12BH7A Sylvania Silvertone gray oval plates large "O" getter halo 1960 era NOS (11.5/10.6ma)
(!!!) (BEST SINGLE - RARE) CX-330 Cunningham balloon engraved base NOS 1920's (3.0ma)
(!!!) (BEST SINGLE) 6F6G RCA NOS 1950's (45.5ma)
(!!!) (Recommended Single) C-299=UV-99 Cunningham NOS 1920's (2.3ma) (highest Ma) (UV have small pins) (strong Gm)
(!!!) (Recommended Single) C-299=UV-99 Cunningham NOS 1920's with tube data sheet (2.4ma) (highest Ma) (UV have small pins) (strong Gm)
(!!!) 231=31 US Made Balloon NOS 1920's (14.2ma)
(!!!) 31 RCA Radiotron Balloon NOS 1920's (13.2ma)
(!!!) CX-331 Cunningham NOS 1920's (12ma) (rare)
(!!!) X99=UX-99 Continental Chicago by RCA NOS 1920's (2.5ma)
(!!) (1 Pair) 31 Cunningham NOS 1940's (11ma and 11.6ma)
(!!) (Best Single) 7AF7 Sylvania branded Hytron NOS round black plates NOS 1952 (9.6/9.4ma) 1-3% section balance
(!!) (Recommended Pair) 12AX4GTA RCA NOS 1960 (98-99/60)
(!!) (Recommended Pairs) 12AX4GTB Sylvania NOS 1960's (8 pairs)
(!!) (Single) 12BH7A GE ribbed plates NOS 1977 (9.2/11.2ma)
(!!) 12BH7A Philco Sylvania gray oval plates "O" getter halo used/good 1962 (6.5/7.3ma)
(!!) 12BH7A Westinghouse ribbed plates NOS 1963 (9.0/10.8ma)
(!!) 227 National balloon used/good, rattle inside base 1930 era (5.3ma)
