Compte de Buffon Monkey Framed 36. Sanjou Gris. Hand colored copper plate engraving on hand made rag paper. Archival Framing. Ready to hang antique monkey artwork. Great condition. Monkeys – The set of three framed monkey prints are $750. with free shipping. Each old hand colored engraving has archival framing, by myself. The molding is a honey burl, solid wood frame. These were produced in Paris and Amsterdam from 1749-1761. These old monkey prints are copper plate engravings on fine hand made laid rag with hand coloring. Outstanding condition with fantastic coloring and condition.