A beautiful example of Rizzi-Zannoni's curious decorative map of northern Portugal and Oporto.  Covers from just north of Lisbon north to Galicia and east as far as Valladolid, Spain.  Engraved in a highly unusual topographic style, this map offers excellent detail throughout showing mountains, rivers, forests,  national boundaries, regional boundaries, forts, and cities.  Title appears above the upper border of the map.  This is one of the most highly detailed maps of northern Portugal to appear in the late 18th century. Drawn by Rizzi-Zannoni around 1775 for issue as plate no. A 8  in Jean Lattre's 1776 issue of the  Atlas Moderne .
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1775 (undated)
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