Marking: [1] Crowned fleur-de-lis, 2 grains de remède, J B C, device a key (maker's mark)
[2] Crowned A (Paris charge mark for large silver, 1782-89)
[3] Interlaced L's (Paris charge mark for small work, 1783-89)
[4] Crowned P, numerals 84 (Paris warden's mark, 1784-85)
[5] Dog's head (Paris discharge mark for large silver, 1782-89)
[6] Possibly a carnation bud (Paris discharge mark for very small work, 1782-89)
[7] Swan in oval (French mark for work imported from countries with customs conventions, 1893 to present)
Location of marks:
[1]-[4] inside cover, underside of body, inside foot
[5] on outside of foot rim
[6] on rim of cover
[7] on handle