Now in its 28th edition, this best selling coin reference features more than a million current market coin prices and 47,600 photos. Complete coverage of world coins and commemorative issues by date and mint since 1901, representing more than 570 coin-issuing authorities, are included. This comprehensive global encyclopedia also includes vital reference material for all collectors such as foreign exchange rates, identification charts, a complete how-to-use tutorial, coin size chart by millimeters, and a guide to international numerics. Over 56 pages of essential background information provides the necessary tools for beginning and expert collectors.