CRKT fixed blade knife. Seems to be a fishing/ diving knife. Blade engraved " Ed Halligan Engineered" and " M.D.P. / STIFF / K.I. S.S.. " Also has " 2350. " Never used or sharpened. Purchased as a collectable. Ebay invoice due in 3 days. Payment due in 10 days after auction end. See feedback and bid with confidence. Shipping is $ 4.00, and US only. Email with any questions.