(!!!) (BEST PAIR) 6SQ7 RCA NOS 1950-1953 (1.1ma and 1.2ma)
(BEST) 6SQ7GT Sylvania branded Zenith NOS 1948 printed in 1949 (1.5ma and Gm=1700)
6SQ7 GE metal can NOS (1 in stock)
6SQ7 metal used/good (3 in stock)
6SQ7 RCA NOS 1950 (1.3ma and Gm=1600)
6SQ7 RCA NOS 1950 era (8 in stock) (special price)
6SQ7 RCA NOS 1953 (1.0ma Gm=1400)
6SQ7 RCA NOS 1961 (0.9ma Gm=1100)
6SQ7GT Calverton Holland NOS 1950 era (1.1ma and Gm=1300)
6SQ7GT Fonoco by Sylvania used/strong 1951 (1.1ma and Gm=1100)
6SQ7GT Sylvania used/good 1951 (Gm=800)