https://www.sciencenorway.no/viking-age-archaeology-natural-science/over-a-span-of-150-years-a-billion-islamic-silver-coins-may-have-flowed-into-the-viking-world/2577163
Over a span of 150 years, a billion Islamic silver coins may have flowed into the Viking world
Nov 20, 2025 - 'Here you see part of the driving force behind the Viking Age,' says a Norwegian coin expert.
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