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Rare Viking coin links king Olaf to Norway’s conversion

livescience.com · 21 October 2026
Rare Viking coin links king Olaf to Norway’s conversion
Photo: livescience.com

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Archaeologists in Norway discovered a rare silver coin from the reign of Olaf Haraldsson, also known as Olaf the Holy, within a hoard near the village of Rena. The Mørstad Hoard now contains 5,500 to 6,000 coins, making it the largest ever found in Norway.

Museum researcher Anne Skogsfjord initially believed the coin was Anglo-Saxon, but identified the Norwegian inscription confirming its origin. Olaf Haraldsson ruled Norway from 1015 to 1028 and later became the country’s national saint.

He embraced Christianity during Viking raids in England and France, and was baptized in Rouen around 1013. Upon becoming king, Olaf promoted Christianity in Norway, though many people continued to practice the Norse religion. The newly discovered coin features Olaf’s portrait and a cross, demonstrating his attempt to establish Christianity and his authority. Experts believe Olaf personally oversaw the coin’s design.

The coin circulated for roughly 20 to 25 years before being added to the hoard, and shows signs of use as currency, with numerous cut marks verifying its silver content. This coin is one of fewer than 20 known to have been minted during Olaf’s rule.

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