Based in the folli of Constans II. Robed Constans standing facing, ΔΑΜΑCKOC // M (for "40 nummi") with annulet in the middle, "city of Dimashq" in arabic around, chi-rho above. 19mm, 4.17 grams. Dimashq mint, minted c.635-670. Walker-12.

From an old US collection, with the original collection ticket. Rare type.

These coins are the earliest coins of the first Islamic Caliphate - after conquering the Byzantine Middle East, they issued coins in the corrupted style of Byzantine folli (especially of Constans II). These circulates for about a few decades, until the end of the 7th century.