Antique Sterling Silver Art Nouveau Eagle Unengraved Sealing Wax Stamp Seal
Size is 105mm tall, blank stamp matrix is 18mm. Has some wear, see pics. Has a hallmark of a "g or a 2" in a shield, marked sterling.
Looks like it also states 1628. Be sure to look at my other auctions for more great stuff like this, if you have any questions or comments, please don't hesitate to message me.