(!!!!!) (Good Value Pair) 12BH7A Sylvania gray pinched plates NOS and used 1970 era (7.6/8.0.4ma and 7/7ma)
(!!!!) (Best 12BH7A 1957) 12BH7A Sylvania gray oval plates "square=D" getter halo NOS 1957 (13.0/12.7ma)
(!!!!) (Best Overall GE Single) 12BH7A GE ribbed plates NOS 1981 (11.6/11.8ma) 1-3% section balance
(!!!!) (Best Single) 12BH7A GE ribbed plates NOS 1980 (10.0/10.2ma) 1-3% section balance
(!!!!) (Best Single) 12BH7A Sylvania rebranded GE black oval plates "U" getter NOS 1956 era (11.2/14ma)
(!!!!) (Best Value Single) 12BH7A Sylvania gray oval plates "square=D" getter halo NOS 1950's (7.6/8.8ma)
(!!!!) (Recommended Single) 12BH7A Sylvania gray oval plates "O" getter halo NOS 1962 (10.2/11.8ma)
(!!!!) (Recommended Single) 12BH7A Sylvania Hammond gray oval plates "D" getter halo used/like new 1959 (10.2/10.6ma)
(!!!!) (Recommended Single) 12BH7A Sylvania Hammond gray oval plates "D" getter halo used/like new 1959 (9/9ma)
(!!!!) (Single 1950's) 12BH7A RCA branded Westinghouse narrow black plates NOS "U" getter mid-1950's (10.6/7.4ma) (1st series made)
(!!!!) (Single 1955 era) 12BH7A RCA narrow black plates used/very good "U" getter halo 1955 era (8.6/10ma) (1st series made) (rare)
(!!!!) (Single) 12BH7A GE gray oval plates NOS mid-1960's (11.5/16ma)
(!!!!) (Single) 12BH7A Sylvania NOS gray oval plates NOS 1965 era (8.2/8.4ma) 1-3% section balance
(!!!!) 12BH7A Westinghouse gray ribbed plates used/good "U" getter 1960 era (8.4/11ma)
(!!!) (Best Value Single) 12BH7A Sylvania branded GE black oval plates "U" getter 1950's tilted glass (11.0/14.2ma)
(!!!) (Recommended Single) 12BH7A Westinghouse black ribbed plates "U" getter halo 1961 (8.5/10ma)
(!!!) (SINGLE) 12BH7A Brimar UK rebranded GE short ribbed black plates 1968 (11/10.2ma)
(!!!) 12BH7 GE Silvertone gray oval plates NOS "U" getter 1953 (8.2/8.0ma)
(!!!) 12BH7A RCA branded Zenith NOS 1970 era (10/13.2ma)
(!!) (Best Value Single) 12BH7A Hitachi Japan 1970's branded Westinghouse NOS 1984 (11.8/12.9ma) (McIntosh, Quicksilver, Art Audio, Wells)
