Find the value of coins on the Professional Coin Grading Service website and CoinTrackers.com. Both sites offer substantial information on the value of current and historic coins.
The Professional Coin Grading Service offers a Price Guide section on its website, featuring price data for over 31 million historic coins and over 300,000 current coins as of 2015. Visitors can browse coin listings or perform custom searches. The site offers price guides primarily for U.S. coins, although it also features a section on Chinese currency.
CoinTrackers.com also features substantial listings for both old and new currency. Visitors may search or browse coin listings, and the site offers articles on specific coins and currency collecting in general.