This vintage Roycroft Salad/Desert plate is 6" in diameter. It's marked on the back surface " Semi-Vitreous Buffalo Pottery ". The famous Roycroft rim decoration is Dard Hunter's Secessionist style most favored by collectors of Roycroft china. Good strong color. Minor factory flaw[ about 3/8" ] under rim edge-see photo. No Reserve. Bidders please read " Sellers Additional Checkout Instructions ". Thank you.