7027A Sylvania used/75% (58.5ma)
7189 Sylvania gray plate NOS 1960's (55ma)
7189 Sylvania gray plate NOS 1970 era (46ma)
7189 Westinghouse gray plate NOS 1960's (46ma)
7868 Sylvania branded RCA tipped top used/good 1970's (57.5ma)
800=VT-64 RCA Lab Development tube charcoal black plate used/good 1940 era (42ma, Gm=2150)
