Made by JP Cochrane & Co or Edinburgh and bearing Cochrans bowline knot cleekmark, this Mammoth niblick has a face depth of 3 9/16th inches and a stainless steal head. Owners initials A.F. and J.F. are stamped on back of head. Clean original condition with original leather wrap grip. Nicely rounded head. Ball is shown for perspective and is not part of this lot.