WW2 US 'Special Friction Tape' 1943

World War 2 US 'Special Friction Tape' as used by engineers for explosives. The tape is packed in its original carton box, nicely maker marked by the company 'Boston Woven Hose & Rubber Co.' from Cambridge, Mass. and is dated May 1943. The carton box is in slightly damaged condition. Nice and decorative original item in good unissued condition!