Copper engraving, 133 x 90 mm. Rare map of Alonissos; Excellent example; taken from “Diporti notturni dialloghi familliari del Capitano Francesco Ferretti, Cavaliero dell’Ordine di Santo Stefano, con la dimostrazione figurale intaglio da Michelangelo Marrelli Anconitano, Printed in Ancona, by Francesco Salvioni 1580. The title page bears the date 1579, the colophon 1580. The volume contains 28 images.” The author, in addition to having written texts on military art, published in 1578, in the wake of the cartographic tradition, an island guide of the Mediterranean entitled Diporti Notturni. All the maps are inserted in a circular frame with the inscription “Regional Forma et vera postura dell’Isola di…” above, followed by the name of the island. The engraver was a well-known Sienese painter and art dealer, active in Rome between 1578 and 1602, and was likely responsible for the original graphics of the maps. Tolias, Mapping Greece, 0727; Zacharakis, A catalogue of Printed Maps of Greece 1477–1800, 1509.