The Numismatic Museum has 500,000 acquisitions -mainly coins, but also medals, lead balls, seals, weights, spears and talents- dating from the 14th century BC. until today.
The richest collections are those of ancient coins, dating from the 6th century BC. until the 5th century AD These are the coins of the city-states, kings and rulers of the ancient Greek and Hellenistic world, the Roman Republic, the Roman emperors and the provinces of the Roman Empire.
Equally important are the collections of Byzantine and medieval coins, dating from the 6th to the 15th century. There is a large number of coins of the Byzantine Empire with representative coins of all emperors and mints, coins of states and rulers of the Medieval West and East, as well as versions of the Frankish states created in Greece from the 13th century.
The period from the 15th to the 20th century is covered by coins of most countries of the modern and contemporary world. Emphasis is placed on the coins that circulated in Greece during these centuries, such as coins of the Ottoman Empire, coins of European states and empires, as well as coins and banknotes of the new Greek state.
Special collections are the other works of micro-sculpture and small crafts that belong to the Museum.
The ancient Greek, Roman, Byzantine and medieval weights, the weights for weighing various products and currencies, are an important source of information on weighting rules and trade at various times.
The seal stones are used as symbols of power, as jewelry and to declare identity, authenticity or value.
The rich collection of Byzantine lead bulbs is a valuable tool for Byzantine Sigilography and Sealing.
The medals preserve a wealth of information about historical figures and events, but also about depictions of buildings, cities and entire areas, expressing the art of each era from the Renaissance to the present day.
To manage its collections, the Museum has a Department of Ancient Coins, Weights and Crafts, a Department of Byzantine and Medieval Coins and Stamps, and a Department of Modern Coins and Medals.
As a whole, the NM National Collection is one of the richest in the world, along with the collections of the British Museum in London, the National Library in Paris, the Hermitage in St. Petersburg, the Bode Museum in Berlin and the American Mint in New York. .
The core of the Collection were the 329 coins of the first Archaeological Museum that had been organized in 1829 in Aegina, the capital for a while of the newly formed Greek state. Since then, the Collection has been gradually enriched with coins and other objects that were deposited in the Museum as donations, deliveries, purchases, seizures and excavation findings. Thus, by the 1970s, more than 50,000 coins from excavations in Argos, Olympia, Corinth, Delphi, Olynthos, etc. had been handed over to the Museum.
More than 190,000 coins belong to 670 ancient Greek, Roman, Byzantine, medieval and modern “treasures” from all over Greece. These closed sets of coins are important sources of information on monetary circulation and the economy in Greece from antiquity to the beginning of the 20th century.