"Ousas, also Ousanas III (c. 500), was a king of the Kingdom of Aksum. He succeeded Nezool atop the throne.
Ousas is primarily known from the coins ...
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that were minted during his reign. Since the gold coins issued with this king's name closely resemble those of King Kaleb of Axum, Munro-Hay suggests that Ousas may be another name of Tazena, who is described both in Ethiopian tradition and on Kaleb's coins as his father." - (en.wikipedia.org 16.05.2022)