With a practical layout and consistent quality, Odd Shaped Coins: A Set of 30 Different Coins from Around the World keeps attention on the coins themselves. Details: A coin by definition is a piece of hard material, traditionally metal and usually in the shape of a disc, which is used as a form of money. However not all coins are round. As a matter of fact, several countries have issued a variety of odd-shaped coins which many collectors find attractive enough to purchase and collect. The following set represents 30 odd shaped coins from 22 different countries.