A gold and enamel snuff box

A gold and enamel snuff box, France, 19th century, the lid set with an oval portrait of a lady in 18th century dress wearing pearls, possibly Marie Antoinette, within a dotted white border, to a ground of red guilloché enamel, the outer edge with a further border of white enamel and floral scrollwork in three-coloured gold, the sides and base of similar design, measuring 8.3 x 6.5 x 3.8cm, French assay mark and maker's mark, gross weight 302 grams, fitted case stamped Garrard & Co.