Helena Augusta, a prominent figure in the Roman Empire, was the mother of Emperor Constantine, who is known as the first Christian emperor. Helena was born around 250, probably in Bithynia (now Turkey). After Constantine's conversion, she became a Christian and played an important role in the Christian in support of the community. According to tradition, Helena traveled to Jerusalem to find the pieces of the Holy Cross. Supposedly, she found the cross on Golgotha and had a church built on the site. Helena died at the age of 80, probably in 329. Helena Augusta's life and faith left a deep mark left in the history of Christianity. She was the first Christian empress, and her memory still lives on in Christian tradition and art.

Empress Helena Augusta, mother of Emperor Constantine, ruled the Roman Empire from 324 to 329, until her son's death. During this period, he minted a number of coins emphasizing his status as ruler. The coins feature a portrait of Helena on the obverse, often with the following inscriptions: "AVG. HELEN(A)" (The Supreme Empress Helena) or "CONSTANTINI AVG(usti) MATER" ( mother of Emperor Constantine). The reverse often shows the symbols of the ruling family, such as the cross or the imperial Aquila (eagle). Helena's coins are important works of late antique art of the Roman Empire. The portraits are finely crafted and exude the power and dignity of the empress. The symbols on the reverse indicate the beginning of the empire's new, Christian era. Helena's coins are an important part of the numismatic collections of the Roman Empire.