Signature: Gouers A Paris (engraved on bezel in front)
Inscription: Sticker inside box: Collezione S. Bulgari Roma/Parigi/1723-1738/min: firmata/Gouers
Marking: [1] DG, device a star (incomplete maker's mark)
[2] griffin's head (Paris charge mark for gold, 1732-38)
[3] indecipherable crowned mark, presumably warden's letter
[4] dog's head (Paris discharge mark for small work, 1732-38)
[5] crown (unidentified)
Location of marks:
[1]: inside bottom and front wall
[2], [3]: inside front wall
[4], [5]: on bezel near hinge at right