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6350 Sylvania made for IBM black plates "U" getter halo used/good 1950's, faded printing (9.2/9.7ma)
6BX7GT CBS NOS 1959 (53ma/73ma)
6SN7GTA CBS NOS Black Ribbed Plates similar to RCA early 1950's (8.3/8.6ma)
6SN7GTB CBS black base black plates side-getter, the same shape as Sylvania 6SN7GTB used/good 1961 (7.5/8.0ma)
EL34 Philips Holland brown base used/good double "D" getters 1962 (74ma)
EL34 Philips Miniwatt Holland brown base used/good double "D" getters 1959 (70ma)
GZ33 Mullard NOS "D" getter halo 1959 (sold out)
JHY-6186=6AG5WA CBS Hytron NOS "D" getter 1959 (8.4ma)
