[Optical views. Vienna] Three optical views: (1-2) Gesicht des Grabens, gegen der Heil. Dreyfaltigkeits Säule zu Wien

Prospect Ihro Röm. Kayserl. Majestät Haupt Mauth bey dem Rothen Thurn zu Wien. 2 contemp. handcol. engr. optical views, both approx. 30 x 40 cm, numb. 17 and 19 in upper right corner, w. captions in Latin, French, Italian and German and both numb. "Med. fol. No 18" below the image. Augsberg, G.B. Probst, ca. 1770. Both trimmed on/ near the plate mark, minor other imperfections. Very fine, lively and attractively handcol. views. -and 1 other optical view of Vienna.

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