Online resources such as CoinSite.com, PaperMoneyBuyers.com and PaperMoneyGuide.com contain guides and listings to help users determine the value of old paper money. Numismatic dealers and auctions such as Heritage Auctions and AntiqueMoney.com also offer currency valuation guides. The majority of these sites only feature guides to American currency.
CoinSite.com offers value listings for U.S. notes, including $1, $5, $10, $20 and $100 notes. The site also offers listings for less common notes, such as $2, $500 and $1,000 notes, and features a grading key to help determine a note's numismatic condition.
PaperMoneyBuyers.com lists currency auctions and features a how-to guide to selling. The site contains photos of notes that are especially sought-after, including national bank notes, large-size currency, star notes and high-denomination notes.
PaperMoneyGuide.com allows users to search valuations by denomination and series. The site also features a price guide and information about small-size notes and U.S. notes printed with errors.
The Heritage Auctions website offers a quick reference guide to U.S. currency values, currency grading tutorials and common currency replica guides. This company also offers appraisal services.
AntiqueMoney.com is an online currency buyer. It offer a value guide and information about U.S. banknotes, large-size currency and modern rare currencies.