Side chair, c. 1750-1765, Possibly by Gilbert Ash, American, 1717-1785, 38 1/2 x 20 x 16 1/2in. (97.8 x 50.8 x 41.9cm), Mahogany, white pine, ash, mohair, United States, 18th century, This chair may have been made for Johnson Hall, the home of Sir Wi