It appears as an example in Plate 54 of “Models of locksmithing, chosen from the most remarkable Paris offers”, Gallica Bnf, 1826.
It is beautiful quality, it's ancient edition, 18th century, thread on back show it, the pivot hinge needs to be unlocked, (I don't have tools), the previous owner polished and varnished the visible side,
Dimensions: H:24cm. X 23cm x 13cm, weight: 4.8kg. see our detailed photos,
This object is for immediate purchase, payable by credit card or paypal. - eclectic - antique dealers since 1970, Siret: FR 24.430113233. Invoice and Certificate are attached to each of our shipments.