1275103 View into the crater of Astruni taken from the spot represented in Plate XIX; Plate XX, from \'Campi Phlegraei: Observations on the Volcanoes of the Two Sicilies\', by Sir William Hamilton (1730-1803), published 1776 (hand coloured engraving) by Fabris, Pietro (fl.1768-78); Private Collection; (add.info.: The crater is surrounded by a wall to prevent Wild Boar and Deer from entering;); The Stapleton Collection; Italian, out of copyright.