This web portal is dedicated to Thracian coins. Based on the Berlin collections, it also includes coins from other museums and institutions worldwide. Users can also add to the web portal their own Thracian coins.

Archive of coins auctions covering the period from ancient to modern times. 

The Numismatic Museum owns more than 500,000 acquisitions – mostly coins as well as medals, lead seals, engraved gems, weights, obeloi and talents – dated from the 14th century BC until today. 

Online Greek Coinage is an international project with the goal to create a Typology of Ancient Greek Coinage, drawing on a number of Linked Open Data resources.

Online version of the Inventory of Greek Coin Hoards. It proposes the mapping and the listings of hoards published in the Coin Hoards with stable URI’s. 

Nomisma is a collaborative project providing stable digital representations of numismatic concepts according to the principles of Linked Open Data. Research Projects - such as Kyprios Character - and Museum Collections are following those common principles.

The Münzkabinett Online Catalogue of the Berlin Museum is one of the largest Numismatic Collections in the world. The collection ranges from the beginning of coinage in the 7th century BC to 21st century Euros, and its geographical scope extends from Finland to South Africa, and from Berlin to Buenos Aires. 

Online Coins of the Roman Empire (OCRE) is a joint research project of the American Numismatic Society and the Institute for the Study of the Ancient World at New York University. It is a revolutionary new tool designed to help in the identification, cataloguing, and research of the coinage of the Roman Empire via the record of every published type of Roman Imperial Coinage from 31 BC to 491 AD.

The Alpha Bank Numismatic Collection comprises more than 10,000 coins from the ancient Greek world, dated from the end of the 7th Century BC to the 3rd Century AD. On the website educational activities such as the “A journey with a Greek coin” are also available.

Founded in 1807, The Hunterian is Scotland's oldest public museum, built on Dr William Hunter’s founding bequest, with a variety of collections. Part of the coin collection, that also contains Cypriote coins, can be searched online.