A barsom is a ritual implement used by Zoroastrian priests to solemnize certain sacred ceremonies.
4th-century relief of the investiture of the Sasanian king Ardashir II. Mithra stands on a Lotus Flower on the left holding a Barsom.
A 4th-century BCE depiction of a priest bearing a barsom. From the Oxus Treasure. The present-day barsom is much shorter, and made of wire.
Ardashir II, was the Sasanian King of Kings of Iran from 379 to 383. He was the brother of his predecessor, Shapur II, under whom he had served as vassal king of Adiabene, where he fought alongside his brother against the Romans. Ardashir II was appointed as his brother's successor to rule interimly till the latter's son Shapur III reached adulthood. Ardashir II's short reign was largely uneventful, with the Sasanians unsuccessfully trying to maintain rule over Armenia.
Relief of Ardashir II in Taq-e Bostan
Drachma of Ardashir II.
Rock relief at Taq-e Bostan of the investiture of Ardashir II, flanked by Mithra and Shapur II.