6BG6G Ken Rad tests like new 1951 (85ma)
6BG6G RCA NOS 1950's (66ma)
6BG6G RCA NOS 1951 (75ma)
6BG6G RCA NOS 1953 (71ma)
6BG6G RCA NOS 1963 (63ma)
6BG6GA GE Relaible Selectron NOS 1957 (74ma)
6BG6GA Philco used/good/75% 1958 (58ma)
6BG6GA Raytheon NOS 1957 (73ma)
6BG6GA RCA Coronado NOS 1950's (71ma)
