Pair of Antique engravings - Late 18th

Period: Late 18th Century
Date of Manufacture: circa 1780
Measures with Frame :
Width 50.5 cm 
Depth 1.5 cm
Height 40.5 cm
Materials : Paper - Glass - Plastic 
-Optical View of the Port of Boeotia Near the Island of Evvia (Greece)
-Optical View of the Place de la Carrière in Nancy (France)
An "optical view" of Place de la Carrière in Nancy, France, is a perspective representation of the square, often created using optical techniques or lenses to create an illusion of depth and realism. This term generally refers to old views or engravings that aim to capture the appearance of the square in a realistic manner.