This is a vintage Japanese prototype pocket knife made in Seki, Japan, circa 1960s, and believed to have been made by Yasuo Imai. It is a factory sample prototype and still has the factory sample...

This is a factory sample prototype knife from circa 1970s made in Seki, Japan for Compass Industries, by Seizo Imai. It still has the original factory sample stickers on it. Comes with box. Seizo...