(!!!) (Recommended Pair) 26 GE and Ken Rad NOS same build 1940's (3.9ma and 4.0ma)
(!!) 26 GE NOS 1946 (6.7ma, Gm=1200)
(!!) 26 Super Silvertone by National Union NOS 1940's (5.7ma, Gm=1200)
26 RCA Radiotron/Cunningham engraved used/good 1930's (3.6ma)
(!!!) (Best Pair) 26 Sylvania branded Zenith black plate NOS 1946 (5.4ma and 5.6ma) (rare)
(!!!) (Recommended Pair) 26 Sylvania branded Zenith black plate NOS 1946 (4.9ma and 5.0ma) (rare) 1% matched