Two Framed Antique Transparent Illuminating Optica Engravings

The first, Johann Christoph Nabholz (German, 1752-1796), Vu De La Ville De Coa, hand-colored engraving; the second, Vu Du Palais Du Prince A Munster, hand-colored engraving, 18th century; each with areas of transparency designed to dazzle when backlit, presented in uniform framing with light panels below glass.

Frame dimensions of each 16 5/8 x 21 in.

From a Prominent Collector, Aiken, South Carolina

Toning and minor staining to the sheets, appear to be glued down not examined outside the frames; electrical hook-up not included.