Ancient Arabian treasure trove unearthed in Germany ..

BERLIN // Archaeologists in northern Germany have unearthed a treasure of Arabian silver dirhams dating back to the first half of the seventh century in a spectacular find that proves brisk trade between the Middle East and northern Europe already existed more than 1,200 years ago.

Ancient Arabian treasure trove unearthed in Germany - The National Newspaper

 

Ah, that's interesting. I know the Franks struggled for silver supplies during Charlemagne's reign because the spread of Islam cut off most of the supplying areas, and he wasn't going to encourage trade after getting his fingers burnt fighting Muslims in Spain.