Struck from 1850 to 1866, the Type One double eagles from Philadelphia, New Orleans and San Francisco form one of the most popular and collectable groups of United States gold coins. For the first time specialists have a comprehensive guide to this series. Each issue is described in detail with an analysis of strike, surfaces, luster, color and eye appeal as well as a list of major varieties and an estimate of rarity. There are chapters that deal with how to collect these coins and rarity charts that allow the collector to compare each issue’s rarity in all grades. Finally, a superb essay by Bob Evans describes the double eagles from the famous S.S. Central America treasure. This lavishly illustrated book is certain to be an important reference for gold coin collectors.