A dozen mini coins complete the Small Coins of the World set. Each coin is under 16 mm in diameter which is smaller than a United States dime. The genuine coins are from various countries, mint marks and years will vary. Some of the countries included in the twelve piece set are Poland, Brazil, Iceland, Finland, Aruba and Israel. The coins are displayed in a 4 by 6 inch black vinyl protective portfolio. A Certificate of Authenticity is included.