That gold coin shows linear etchings that remind me of the stylized script found in Ireland’s Book of Kells.
The video host is Jackson Crawford. Maybe it’s just a coincidence, but he looks part Danish or Norweigian.
He says he speaks Norwegian, which used to be very similar to Danish, but each has gone off like a fork in the road for the past 700 years or so. Hardraada was king of both, until he got his last owie at the battle of Stanford Bridge in 1066.