(Guns & Powder) "Protection Puzzle", design on 1907 cover showing Map of Point Loma & San Diego Bay in the Shape of a Pistol, franked with two 1902 1¢ Regular Issue tied by "San Diego, Calif." duplex cancel, cover with return address of Real Estate Broker, Very Fine, a most unusual item. Estimate  $75 - 100. $0 (Image)