Copying follis of Constans II. Caliph standing, holding globe, long cross to each side? // M (for "40 nummi"), dash below, some latin letters right. 18mm, 2.91 grams. Unknown mint. Walker -.

From an old US collection.

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.