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(!!) (Best Pair #1) 6K11=6Q11 GE NOS 1979 (1 pair)
6K11=6Q11 GE branded RCA NOS 1960's (88/60, 92/60, 90/60)
6K11=6Q11 GE branded RCA NOS 1960's (93/60, 97/60, 92/60)
6K11=6Q11 GE NOS 1960's (93/60, 92/60, 93/60) (triple triode)
6K11=6Q11 GE NOS 1971 (86/60, 89/60, 85/60) (triple triode)
6K11=6Q11 US Brands NOS 1960's (6 in stock)
