Inscription: (engraved on foot rim) N G
Marking: [1] Crowned fleur-de-lis, 2 grains de remède, J B C, device a key (maker's mark);
[2] Crowned A with laurel branch (Paris charge mark for large silver, 1762–68);
[3] Crowned Z (Paris warden's mark, 1763–64);
[4] Hound's head (Paris discharge mark for gold and small silver, 1762–68);
[5] Hunting horn (Paris countermark, 1768–74);
Location of marks:
[1]-[3] under base;
[1] on top of lip of cover, on top of handle, inside cover;
[1], [4], [5] on foot rim