Circa 1960's Darne Gun brochure,5-7/8" x 4-3/4" closed and opens to 11-1/4" x 14-3/4" Content: the brochure pictures the "R" Model and "V" Model shotguns with brief descriptions,technical data and illustrated handling and dismantling instructions.It also lists 20 advantages of the Darne Gun over other guns with comparison charts of the gun parts and the Darne Gun "Converging Obturator Discs" versus the conventional breech face. Very Good condition with some cover rubs and a small tear in the center,right side.