6X4WA GE black plates rebranded National NOS (55/40 and 56/40)
6X5GT GE Amperex NOS 1972 slightly tilted glass (50/40 and 50/40)
6X5GT RCA NOS 1950's (46/40 and 51/40)
6X5GT RCA NOS 1955 (50/40 and 60/40)
6Z5 Majestic NOS
6ZY5G RCA NOS 1945 (57/40 and 62/40)
7055 RCA NOS
80 Raytheon used/good 1951 (58/40 and 70/40)
80 RCA Cunningham used/good 1930's (44/40 and 47/40)
82 Majestic Balloon NOS 1930 era (54/40 and 54/40) (rare)
82 RCA NOS 1948
82 Tungsol NOS 1948 (54/40 and 60/40)
83 GE low hours/like new 1947 (read review)
84=6Z4 Belmont engraved base used/good 1930's (50/40 and 50/40)
84=6Z4 Greylock by National Union like new 1950 era (48/40 and 53/40)
84=6Z4 Greylock USA by National Union like new condition 1940's (49/40 and 54/40)
84=6Z4 Philco used 1950's (44/40 and 46/40)
84=6Z4 Philco used/good 1940's (44/40 and 44/40)
84=6Z4 RCA NOS GT-shape glass slightly tilted glass 1967 (44/40 and 47/40)
84=6Z4 RCA NOS GT-shape glass tilted glass 1967 (47/40 and 48/40)