Large map in six sheets, copper-engraved, each sheet measures 330x450 mm, when joined the sheets measure approximately 1000x900 mm plus wide margins, hand-painted at the time. Uncommon map taken from the “New Universal Geographical Atlas outlined on the latest observations”, published in Rome from 1792 to 1801 (the map shows the date of execution of the individual sheets. The Calcografia Camerale commissioned the work to replace the “Geographic Mercury”. Giovanni Maria Cassini (1745-1824), a pupil of Piranesi, was a clergyman, geographer, globe maker and cartographer. Beautiful example.