74/4792 Dubourg, L.F. (1693-1775). (Statue of Apollo in a cavity). Counterproof of a drawing in red chalk, w. added pen and ink, 25x12 cm., monogrammed (in reverse) "LFDB inv. 1765". - AND one other counterproof of a drawing by the same, showing Apollo, Aesclepius and Pallas Athene, monogrammed and dated "1766".