Jim Supica is the author of numerous firearms titles, including the Standard Catalog of Firearms from Gun Digest Books. Retired from his position as director of the world-renowned NRA Museums, he continues to specialize in appraising antique and collectible firearms of all types. Co-Author Richard Nahas is a life member of the NRA and Smith & Wesson Collectors Association, and an avid Smith & Wesson alloy revolver collector.