(!) (BEST VERSION) JAN-1B3GT=1G3GT Sylvania NOS 1970's (12 in stock)
(!) (BEST VERSION) JAN-1B3GT=1G3GT Tungsol NOS 1960's (15 in stock)
1B3GT=1G3GT Mixed US Brands NOS (40 in stock)
1B3GT=1G3GT US/Canada used (6 in stock)
