Vintage Beige Tan Natural Stone Shell Resin Mosaic Round Clip Earrings

Vintage unsigned large round earrings with mosaic natural stone or shell encased in resin over metal (brass?) backing. Strong clasp clips. Please view images for visual details and size comparison. Backs and metal around the sides of both earrings show some discoloration and tarnish. Buyer may want to give a light cleaning or polishing.