SET SIX ITALIAN ORNITHOLOGICAL HAND-COLORED COPPER ENGRAVINGS. Engraving from "Storia naturale degli uccelli trattata con metodo e adornata di figure intagliate in rame e miniate al naturale Florence", Italy: Giuseppe Vanni, 1766. (Natural History of the Birds Treated Systematically and Adorned with Copperplate Engraving Illustrations, in Miniature and Life-Size). French mattes. - Sight size as framed, 15 in. x 11 1/2 in. Estimate $600-900