The Surrender of the Khan of Badakhsan, 1772, Etching and engraving, Sheet: 25 3/4 ? 39 9/16 in. (65.4 ? 100.5 cm), Prints, Pierre Philippe Choffard (French, Paris 1730?1809 Paris), after Jean Damascene (French, Rome 1727?1781 Beijing), (direxit) Cha