Length (letter opener only): 6 1/8in (15.5cm). Length (with knife extended): 7 3/4in (19.6cm). The item "SAMPSON MORDAN ENGLISH STERLING SILVER LETTER OPENER / PEN KNIFE LONDON 1897" is in sale since Wednesday, July 22, 2020. This item is in the category "Antiques\Silver\Non-U. The seller is "shrinkflyer" and is located in Sagamore Beach, Massachusetts.This item can be shipped worldwide.