Printed on front of paper packet: It's Sharp // Rib-Back // BARD-PARKER // B-P // TRADE MARK // 6 // DETACHABLE // TYPE BLADES // SIZE 11; printed on back of packet: GUARANTEED AND FOR SALE DIRECT TO CONSUMERS // ONLY THROUGH OUR AUTHORIZED AGENTS. // GEO. S. TRUDELL CO. // LONDON, ONT. / Agent // BARD-PARKER CO., INC., DANBURY, CONN. // MADE IN U.S.A. // PATENT PENDING