[Optical prints] Lot of 4 contemp. handcol. engr. optical prints,

all prepared for backlight viewing (w. ensuing defects) by mounting or backing the prints, perforation, cutting out windows and backing with coloured paper, all ca. 29 x 39 cm, all second half 18th century.

Comprises: (1) "Spiel der gemeinen Russes auf den Strassen/ Les jeux des Russe commmun dans les Rues" (Augsburg, I. Carmine); (2) "Devise d'une illumination" (Augsburg, G.B.Probst); (3) "Vuë de la Place Capitale a Quebeck" (engr. by Francois Xav. Habermann and published in the series "Collection des Prospects"); (4) "Vué de Loo la Residence et Pallais Chapetre du Prince d'Oranie en Hollande" (engr. by Jean Benoit Winckler after Pieter Schenk, published in the series "Collection des prospects"). (total 4)