Perpetual calendar l'aurore aux cheveux de rose, mixed pointillism engraving after guido regni engraved by gautier. France, early 19th century origin france period early 19th century author drawing by guido regni engraving by gautier. technique mixed pointillism engraving dimensions work: 25 x 19.5 cm frame: 44.5 x 38 cm condition the work is in very good condition, as can be seen from the attached photos. It shows signs of aging, visible in the photos. Please evaluate based on the attached photos.