6C5 Philco metal used/good 1952 (8.2ma)
6C5 RCA metal used/very good 1964 (7.7ma)
6C5 RCA NOS 1951 (7.7ma)
6C5 Wards Airline by GE used/tests like new 1946 (9.0ma)
6C5GT National Union NOS 1951 (7.8ma)
6C5GT Super Silvertone USA used/good 1940's (6.8ma)
6C5GT Sylvania NOS 1940's (7.8ma)
6C5GT Sylvania NOS 1948 (7.4ma)