This is an unmarked handmade custom knife made in Seki, Japan by Seizo Imai circa 1980s. This knife features some lethal looking sharp points along the top of the blade and at the bottom of the hanbdle. The blade appears parkerized . The handle is brown/black paper micarta. Comes with black leather sheath. Seizo Imai was one Seki, Japan's finest craftsmen and most famous knifemakers of the modern era. His collaboration with Parker spanned nearly two decades. He made knives for Parker, Frost, Browning, Explorer, Compass, Condor, and many others, including his own brands Imax and Seizo Imai. His custom Loveless style knives are works of art. After his passing, several vintage old stock models were found at his warehouse. This is one of these rare finds.