An early 19th century French 18 carat gold snuff box

An early 19th century French 18 carat gold snuff box, Paris 1809-1838, maker's mark of CP in a lozenge, rounded rectangular form, textured decoration with rows of circles, the hinged cover with an engraved foliate thumb-piece, the interior inscribed, 'Presented by the late Wm. Grant Esq. of Congalton to the late John Wm. Ker Esq.', length 7.cm, approx. weight 71g.