American Numismatic Society - List of images of ancient coins with descriptions and references to the standard literature.
Ancient Coin Collectors Guild - A non-profit organization committed to promoting the free and independent collecting of coins from antiquity. The goal of this guild is to insure collectors can legally acquire and hold any numismatic item of historical interest regardless of date or place of origin.
Ancient Coin Resource Center - Find useful information about ancient history, the ancient coin market, and societies. Sponsored by the Celator.
Ancient Coin Vault - Online auctions, classifieds, forums, coin gallery, coin store, and chat room are available here to discuss and learn about ancient coins.
Ancient Coins - An educational site by Dr. Tom Buggey. Coins of Rome, Greece, and other cultures are featured along with many resources for attributing. Maps of ancient Greece and Rome, mints, essays, and other illustrations are featured.
Ancient Roman and Greek Coins - Answers to frequently asked questions. Mostly for beginners, but some advanced material can be found, too.
Bearers of Meaning - The Ottilia Buerger Collection of Ancient and Byzantine Coins at the Wriston Art Center Galleries, Lawrence University. Includes, history, images and a glossary.
Beast Coins - On-line collection of ancient and world coins, specializing in animal and architecture topics.
CoinArchives.com - An online archive of ancient coins featured in major numismatic auctions. The site features a search engine and allows you to view the original text, images, and prices realized from many auction catalogs.
Coins of Ancient Miletos - An introduction to the bronze, silver, and electrum coins of the ancient Greek city of Miletos (Miletus) in Ionia.
Coins of Moldavia and Wallachia - A survey into some private collections and a database of romanian medieval coins in net auctions. Site includes images and information. (English and Romanian)
David R. Sear - Dedicated to ancient numismatics - Greek, Roman and Byzantine. Browse through books on ancient coins, read about the Ancient Coin Certification Service, and read ancient numismatic and historic articles at the Academy.
St Andrews Database Index of Coins - The electronic index of the Sylloge of Coins of the British Isles, a series published for the British Academy by the Oxford University Press 1958-.
The Titles of the European Rulers - The site helps to decipher coin legends with titles of the European kings, princes, dukes, counts and other rulers.
Twelve Caesars - Ancient coin site with something for all levels of collectors. Section on making ancient coins a family affair.
Wildwinds - Archive with search function that lists Roman coins by Emperor or by Sear number, Greek coins by Sears number or city and Byzantine coins by Sears number and Ruler.