Irish-born sea captain (1745–1803) who commanded a number of American vessels during the Revolutionary War. Among other accomplishments, he successfully transported French gold across the Atlantic in order to fund the war effort, organized the crossing of the Delaware at Trenton in 1776, and forced a British surrender in the final naval engagement of the war. When the Navy was reorganized in 1794, Barry was commissioned Captain No. 1 by George Washington; in this capacity, Barry oversaw the creation of America’s first naval force, including the USS United States and the USS Constitution. Partly printed DS, signed “John Barry Capt.,” one page, 6.25 x 3, no date. An unaccomplished certificate entitling the bearer “to whatever share or portion of prize-money may accrue to him from….” Accompanied by an antique portrait engraving. In good to very good condition, with vertical folds (central fold, away from signature, with complete separation; tape reinforcements to reverse), a few small edge tears, and uneven toning (touching signature). The signature is clear and well contrasted. R&R COA.