5U4GB GE ITT NOS 1960's "D" getter (60/40 and 62/40)
5V4G Brimar UK "D" getter halo black plates used/good 1950's (58/40 and 59/40)
5Y3GT Sylvania used/good 1955 (46/40 and 51/40)
5Z3G Tungsol NOS 1940's (51/40 and 53/40)
6350 Sylvania black plates "U" getter halo used/good 1956, faded printing (8.2/8.8ma)
6350 Sylvania black plates NOS, "U" getter halo 1956, faded printing (11.5/14.5ma)
6350 Sylvania made for IBM black plates "U" getter halo tests like new 1959, faded printing (11.8/12.2ma)
6350 Sylvania made for IBM black plates "U" getter halo used/good 1950's, faded printing (9.2/9.7ma)
6384 Tungsol used/good 1960's (63.5ma)
6485=6AH6 Raytheon NOS 1950's
6485=6AH6 Raytheon NOS 1950's pin #3 shorter than other pins
6627=0B2WA Tungsol Chatham NOS 1950's (0 in stock)
6A8G RCA used/tests like new 1950's (60/29)
6A8G Sylvania NOS 1951-1952 (44/29)
6A8G Tungsol NOS 1950 era (3 in stock)
6A8GT CBS NOS 1952 (42/29)
6A8GT Raytheon NOS 1950 era small hairline crack in base (53/29)
6A8MG France NOS in large metal cans (25 in stock)
6AG5 GE "D" getter NOS 1955 (7.6ma)
6AG5 Tungsol branded Raytheon NOS 1960's (7.4ma)