Coins in jewellery - Two round medallions of engraved amber glass in copper mounts, 31 mm in diameter, probably two parts of one piece of jewellery; one depicting a praying woman in front of a burning altar under a tree, with the inscription 'ich bete für dein Wohl' (defect), the other with text within a continuous laurel branche 'Schön sei Dein Leben' - the first one illegible signed (... fec. Paris ?) and dated 1817