Signature: van/Blarenberghe 1774 (on cover miniature) (see image)
Marking: [1] crowned fleur-de-lis, 2 grains de remède, PD, device a heart (maker's mark)
[2] rosette of fleurons (Paris charge mark for gold and small silver 1768-74)
[3] PARIS in cipher (Paris charge mark for gold and small silver, 1774-80)
[4] crowned italic L (Paris warden's mark for gold, 1774-75)
[5] monkey's head (Paris discharge mark for gold and small silver, 1774-80)
[6] clasped hands (Paris countermark, 1780-82)
Location of marks:
[1], [3], [4]: inside bottom, inside cover, inside box rim near hinge
[2]: inside box rim near hinge
[5], [6]: on bezel
