(Best Single) 6K7GT RCA NOS 1959 (10.6mA, Gm=1600)
6K7 GE metal can NOS 1952 tarnished metal can (10.2ma)
6K7 Ken Rad used/very good 1940's (11.6ma)
6K7G=VT-86A Sylvania NOS 1944 (9 in stock)
6K7GT=VT-86B Sylvania JAN used/good 1940's (4 in stock)
6K7GT=VT-86B Sylvania used good 1944-1945 (9.6ma Gm=1700)