Want something really unique for your wall? This beautiful poster features artwork from the archives of the U.S. Patent office for the original Catamaran Sailboat - Patented by William Charles Beuby, February 19, 1963 (U.S. Patent no.3,077,850). With intricate schematics, sharp parchment-colored background, and slick black-bordered design, this is a fantastic piece for the wall of any boating enthusiast! Perfect for the wall of home, office, cottage, houseboat, or marina.