Vintage brooch, in solid silver and onyx, Art Deco in good condition, some signs of wear marked 925 S dimensions 5.3 cm X 1.3 cm weight 4.56 gr see photos. Check out my other items! Reduced shipping costs for bulk purchases Condition: Used Item has been worn. Any imperfections. Dominant stone: Onyx Metal purity: 925 parts per 1000 Metal: Solid silver