Contemp. handcol. engr. optical view, w. perforations backed w. col. paper for candle-light viewing, within blackened borders, numb. "134" in upper right corner, Augsb., G.B. Probst, ±1750. (Veduta del Palazzo fabbricato sul Quirinale (...)). Contemp. handcol. engr. optical view, w. perforations backed w. col. paper for candle-light viewing, within blackened borders, numb. "138" in upper right corner, ibid., idem, ±1750. AND 1 other: (Rome dans son Ancienne Splendeur) (contemp. handcol. optical view, Paris, Daumont, ±1770. Captions partly cut off). - ADDED: "Vue perspective du Chateau du Roy d'Espagne aux environs de Madrid" (contemp. handcol. engr. optical view, Paris, Basset, ±1770).