books.google.com - This easy-to-use book contains more coin prices and value trends (50,000) than any other guide. It also includes vintage information, specifications, varieties, and values for more levels of preservation. Fully indexed, with photographs of every regularly issued U.S. coin, the book offers essential information...https://books.google.com/books/about/Coin_World_Guide_to_U_S_Coins_Prices_Val.html?id=7WpyPwAACAAJ&utm_source=gb-gplus-shareCoin World Guide to U.S. Coins, Prices & Value Trends
