Gold Plastic Coins for Irish St Patrick's Day Decorating. Package of 50 Coins. Size: 1.5 Inches each. Fill your pot o gold! These plastic gold coins, featuring double-sided shamrock patterns, are a fun addition to St. Patrick's Day parties and favor bags. Each set includes 50, 1.5 inch coins. Perfect for decorating for St. Patrick's Day Or Irish celebrations and events! By Darice Shamrocks Four Leaf Clovers St. Patrick's Day and Irish Themed Decorations and Decor found available and in stock now at the Interior Digs N Gifts Irish Store Shop Online or In store for local pick up.