Copper engraving, 335 x 470 mm. Uncommon map from the “New Universal Geographical Atlas outlined on the latest observations,” published in Rome from 1792 to 1801. The Calcografia Camerale commissioned the work to replace the “Geographic Mercury.” Giovanni Maria Cassini (1745-1824), a student of Piranesi, was a clergyman, geographer, globe maker, and cartographer. An excellent example with a slight halo at the lower left and at centrefold