Vintage sterling silver and onyx best brooch

Vintage sterling silver and onyx face mask brooch. This beautiful brooch is in great condition. Lovely to wear on any outfit. Also could be pinned to a hat or scarf. Great piece to add to your collection. Stamped sterling, Mexico, 1 1/4" × 1 1/4" it has 2 dangly best silver pieces, one on each side which adds a little character!