[Optical prints] (1) "La rivière d'Amstel à Amsterdam pres le Logement t'Rondel"

Contemp. handcol. engr. optical print. Jean Benedict Winckler after De Beyer, 31.5 x 41.5 cm, Augsburg, "Au Negoce commun de l'Academie Imperiale d'Empire des Arts libereaux", ca. 1770.

Central vertical fold, closed tear in lower margin and a sm. stain in the image. A brightly coloured copy of a print published in the series "Collection des Propects". (2) "La Mer Agitée et Naufrage de plusiers Vaisseaux". Contemp. handcol. engr. optical print, 28.5 x 41 cm, Paris, Daumont, ca. 1770. Smoothed-out central vertical fold; a few sm. tears in blank margins (very dramatic view). And (3) 3 miscell. other optical prints, showing Mars, the third planet and its influence (Augsburg, Probst), the Trevi fountain in Rome (Paris, Daumont) and the Royal Gallery in Copenhagen (address illegible). (4) Added: 2 smaller historical prints, handcol. in optica-style. (total 7)