The Official American Numismatic Association Grading Standards for United States Coins

From the back cover: "Official American Numismatic Association grading standards for every United States coin. Brief highlights of wear pinpointed for each grade. Easy-to-follow descriptions for thirteen standard conditions. Black and white photographs show progression of wear. Easy-to-follow guide shows how to grade U.S. coins quickly and accurately. Lists every type of U.S. coin from 1793 to present (1991). Aspects of grading are thoroughly described. Indispensable aid to the proper grading of all U.S. coins. Beginners, advanced collectors and dealers will all find the text understandable and useful."