The Tail-Piece is an Isthmian crown, in the center of which is a medallion of Bellerophon watering Pegasus copied from a - Stuart James & Revett Nicholas - 1794

James stuart & nicholas revett. The antiquities of athens measured and delineated by james stuart f. R. S. And f. S. A. And nicholas revett painters and αrchitects, vol. Iii (ed. Willey reveley), london, john nichols, 1794. Date: 1794.