(!!) (BEST SINGLES) JAN-CRC-6U5 RCA NOS Tuning Eye 1952 bright eyes (4 in stock)
6U5 RCA like new 1970 (bright green eye)
6U5 Sylvania 1940's used/good medium brightness
6U5 Sylvania Tuning Eye NOS 1940's (4 in stock)
6U5 Sylvania Tuning Eye NOS 1940's (bright eye)
6U5 Tungsol Tuning Eye NOS 1949 (bright eye)
