This is a big 45 mm cabachon that has a high dome and facets. We are unsure what the stone is. Tim made this in his silversmith class. It is solid sterling silver on gthe back, with a raised scalloped border and fancy metal work bail.
These pieces are not for sale because of sentimental reasons or rarity of the materials. Similar items may be reproduced is you want one, and if the material is available. Email me at firstname.lastname@example.org