The product is a cleaned Ancient Greek silver tetraol containing 2.2g of silver. It originates from the historical period of Ancient Greece, specifically from the city of Histiaia in Euboea. The coin has a denomination of drachma and is uncertified, providing ownership history available for provenance. This piece of ancient history from the era of 300 BC showcases the intricate craftsmanship and artistry of Ancient Greece during that time.