The product is a Catalog of Loan Exhibition of Percussion Colt Revolvers and Conversions 1836-1873 by John E. Parsons. Published by The Metropolitan Museum of Art February, 1942. Only 1000 copies were printed. 

This catalog provides a glimpse into the historical significance and craftsmanship of Colt firearms, showcasing the brand's reputation for quality and innovation in the hunting and sporting goods industry. With detailed information and images, this vintage catalog is a RARE find and serves as a valuable resource for collectors and enthusiasts interested in the history of Colt revolvers.