Silver
Dirham
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8th century silver dirham minted by the first Umayyad caliph of Spain. The inscriptions read, in part, “There is no god but Allah” and state that the piece—roughly equivalent to a U.S. quarter in size and value—was struck in al-Andalus, as the Arabs called their Spanish domain.
Stewart, Desmond, Early Islam. New York- Time, Inc., 1967.