Current prices of rare coins can be found through the websites for coin collecting and selling organizations, such as the Numismatic Guaranty Corporation or the Professional Coin Grading Service. Actual selling prices can also be found through online auction websites such as eBay,
The Professional Coin Grading Service offers a wealth of coin information and services on its website, including valuation and grading services, as well as details on the history of certain rare coins. The site features a full pricing guide that allows users to view prices for coins based on different criteria, such as denomination or metals used. Each type also contains lists for subcategories based on the years in which the coins were in circulation. It's pricing for U.S. coins dates back to the colonial era.
Auction websites are a great tool for pricing rare coins, because users can view actual amounts paid for various coins in different conditions. Many coin selling businesses use eBay to sell coins, which means that examining a sellers history allows the user to see how prices have changed for certain coins over time. Sometimes the actual value of a coin can vary from an appraisal value, as sellers react to market changes much faster than pricing organizations.