Its harbour was one of the main emporia on the Black Sea for the export of cereals, fish, and slaves to Greece, and for the import of Attic goods to Scythia.
[4] It is now thought that the town of Berezan survived until the 5th century BCE when it was possibly absorbed into the growing Olbian settlement on the mainland.
[5] It produced distinctive cast bronze money during the 5th century BCE in both the form of circular tokens with Gorgon heads and unique coins in the shape of leaping dolphins.
[citation needed] M. L. West speculated that early Greek religion, especially the Orphic Mysteries, was heavily influenced by Central Asian shamanistic practices.
It flourished under Mithridates Eupator but was sacked by the Getae under Burebista, a catastrophe which brought Olbia's economic prominence to an abrupt end.
Having lost two-thirds of its settled area, Olbia was restored by the Romans, albeit on a small scale and probably with a largely barbarian population.
The settlement, incorporated into the Roman province of Lower Moesia, was eventually abandoned in the 4th century CE, when it was burnt at least twice in the course of the Gothic Wars.
Notable finds from the town include an archaic Greek house in a good state of preservation from the area of the later acropolis and a private letter (written on a lead tablet) dating to around 500 BCE, complaining about an attempt to claim a slave.