Charles-Germain de Saint-Aubin (1721–1786) *Les Papillons artificiers, ou La Pyrotechnie*; *Offrande à l'amitié*. Circa 1756–1760. Etching. 137 x 189 and 140 x 188 mm. Baudicour 14 and 15; Portalis and Beraldi 3. Very fine prints on laid paper, trimmed to the block. Traces of glue in the corners on the reverse, oxidized and visible on the obverse. A few light foxing spots. Horizontal fold down the center on the second sheet. Formerly in the collection of A. P. F. Robert-Dumesnil (Lugt 2200); H. J. Delacroix (Lugt 3604). AABM postmark (Lugt 3075). Set of 2 pages (in the same mount).