(!!) (Good Value Single) 12AU7 Amperex "Hewlett Packard" Holland "o" getter halo used/good 1968 (8.2/8.4ma)
5963 RCA Hewlett Packard gray plates used/good 1960 (8.0/9.2ma)
6X4 GE Hewlett Packard NOS "D" getter halo 1962 (55/40 and 56/40)
7233 GE used/good 1960's no printing (95/60)
7233 GE used/tests like new 1960's no printing (103/60)
