DescriptionCombination folding knife / letter opener from Mountain Ice Company, Hoboken, no date, ca. 1920-1930. Silver finished metal, overall length closed 8-3/8" (10-1/2" with blade open) x 5/8" wide x 3/16" thick. Blade cutting edge 2" long. Worn and rusted. Handle, side 1: Mountain Ice Company, Principal Offices, Hoboken, New Jersey. Handle, side 2: Producers and Shippers Carload Shipments | Natural and Manufactured Ice A Specialty. Main office was at 51 Newark St., Hoboken.