Marking:  crowned fleur-de-lis, 2 grains de remède, LPD, device a young tree (first maker's mark);  crowned fleur-de-lis, 2 grains de remède, the rest illegible (second maker's mark);  crossed laurel branches (Paris charge mark for gold and small silver work, 1762–68);  crowned italic C (Paris warden's mark for gold, 1766–67);  helmeted head (Paris discharge mark for gold and small silver, 1768–74).
Location of marks:
 struck three times inside cover
 struck three times inside bottom of box
,  inside front wall
 on insetting rim of box