Celtic Coaster Pewter. Our Pewter Celtic Coasters are available individually, or as a set of 4 including a Pewter Coaster Stand. We offer 4 different designs: Glass Coaster with Pewter edge, Glasgow Bouquet, Engine turned and Celtic design with plain surround. The Pewter Coaster shown has a Celtic design with a plain surround which could be engraved. Each set or individual Pewter Coaster is finished to a very high standard of British workmanship, and is presented in a gift box.