Napoléon François Joseph Charles Bonaparte (1811-1832), King of Rome, with blonde curls, surrounded by clouds

SCHOOL OF ISABEY, CIRCA 1812/15 Napoléon François Joseph Charles Bonaparte (1811-1832), King of Rome, with blonde curls, surrounded by clouds bearing signature 'Isabey' oval, ¾ in. (20 mm.) high, within rectangular stamped gold panel on the lid of an octagonal silver-gilt hinged black tortoiseshell snuff-box, by Alexandre Leferre (fl. 1837 - after 1860), marked