https://www.britishmuseum.org/collection/image/31108001
Coins of the period often imitated what was seen as ‘prestigious’ or high-quality coinage, and in this period, coinage of the Abbasid Caliphate was seen as very prestigious. Still, for a Christian kingdom at the far end of Europe to make a coin in imitation of a primarily Middle-Eastern Muslim polity is unusual. It’s a fascinating little thing.