Jean-Charles François (1717-1769) Halt of riders. 1766. Engraved in pencil style after Parrocel. 406 x 550. I.F.F. 88. Very nice proof of the 1st print, in black, trimmed to the subject, without the tablet, mounted by the upper corners on a laid sheet, with framing nets and wash borders, in imitation of the drawing. Attached: Portrait of François Quesnay. 1767. Etching, engraving and pencil engraving after Frédou. 278 x 425 (with tablet 474). I.F.F.F. 108. Very beautiful proof, the names of the artists at the tip, with its typographic band glued in place at the bottom, overlapping the lower board stroke. Thin white line on the surface in the pedestal (open pulling fold). All margins. Set of 2 p.