MANNUCCI, Umberto. Le Pietre Preziose, Milan: Ulrico Hoepi, [1911], 8vo, FIRST EDITION, 10 double-page chromolithographed plates only (of 14, light marginal browning, light marginal dampstaining to one plate), contemporary morocco-backed boards (upper cover lightly rubbed). [Sinkankas 4156: "a popular, comprehensive work on gemstones"]