Antoine Masson (1636-1700) Portrait of Guy Patin, physician. 1670. etching and burin. Sight: 172x217mm. Robert-Dumesnil 59. Fine proof on thin laid paper, of the 2nd state (of 3), before the engraver's address, remarged and glued by the corners on vellum. Minor foxing. Two tiny tears forming white spots at the top of the subject. Stamp: baron H. de Triqueti (Lugt 1304). Frame (not examined outside the frame). Provenance: Estate of Baron Henry de Triqueti (1803-1874).