🇳🇴 **Over a span of 150 years, a billion Islamic silver coins may have flowed into the Viking world**
_"Here you see part of the driving force behind the Viking Age," says a Norwegian coin expert._
#History #HIstodons #Archaeology #Archaeodons #Vikings #Numismatics #Silver #Coins #Norway #Scandinavia
@ChemicalEyeGuy From memory I think the credit for that development was given in large part to Fibonacci and the spread of his work Liber Abaci.