Japan’s leading air ace (1916–2000) during World War II, with 64 kills. Five items: four commemorative postal covers, each signed by Sakai in English and Japanese (three also signed by one or more other pilots, including Adolf Galland, Francis Gabreski, Alex Vraciu, Jeffrey Quill, and others); and a glossy 6 x 4 photo, signed in black felt tip in English and Japanese. Accompanied by several unsigned photos. In fine condition, with mild handling wear and light adhesive stain touching signature on one postal cover. R&R COA.