This is a stunning miniature neck/keychain knife custom made in Seki, Japan circa 1980s. Maker is unknown, but could be Seizo Imai. The quality is excellent. It has strong snap opening and closing. It measures just 1-9/16" long closed with a 1" long blade and is 2-5/16" overall when open. This slipjoint folder features an elegant mother of pearl handle with nickel silver bolsters and brass liners and a mirror polished stainless steel blade. Can be used as a keychain which is nice due to its compact inconspicuous size. An excellent choice for a gift, there should always a few miniatures to complete a collection.