This is a vintage Japanese crafted pocket knife made in Seki, Japan by Seizo Imai, circa 1970s. It measures 4" long closed and features a wood handle and a hi-stainless steel blades (this indicated a high carbon stainless steel). This is a prototype with the original factory sample sticker on it. After Seizo's passing, several vintage old stock models were found at his warehouse. This is one of these rare finds.