A gold and enamel snuff box with Roman micromosaic panel, Pierre-André Montauban, Paris, 1809-1819

A gold and enamel snuff box with Roman micromosaic panel, Pierre-André Montauban, Paris, 1809-1819

rectangular, the lid inset with a Roman micromosaic plaque showing a liver and white spaniel barking at a a proud swan floating on a pond, the sides and base with fancy engine-turning within narrow blue enamel and chased scrolling garland borders, maker's mark, unofficial 3e titre, Paris petite garantie 1809-1819

8.2cm, 3¼in. wide