(!!!!) 5AS4A Raytheon "D" getter 1960 era (58/40 and 62/40) (uprated 5U4GB)
(!!) (Best Single) 5AS4A RCA NOS 1958 (58/40 and 58/40)
(!!) (Best Single) 5AS4A RCA NOS 1964 slightly tilted glass (56/40 and 56/40)
5AS4A GE branded Tungsol "D" getter halo 1960 era (63/40 and 68/40)
5AS4A GE branded Tungsol gray plates D getter NOS 1960 era (60/40 and 60/40)
5AS4A Tungsol black plates NOS "D" getter halo 1950's (56/40 and 58/40)
5AS4A Westinghouse "D" getter halo 1960-1965 (58/40 and 58/50)
