"...The artifact, sometimes called the "Maine Penny," is now in the Maine State Museum. Its discovery has raised a number of questions — mainly, how did it get there, and does its presence in Maine mean the Viking reached the Pine Tree State?..." https://www.livescience.com/archaeology/vikings/did-the-vikings-reach-maine
Oh! As a New Englander, I find this fascinating. So? There is a chance for me as a Metal Detectorist finding ancient coinage.
When I was a brand-new collector in the late 1970s, Coins magazine had an article about this piece. It really fired up my young imagination.
Did you ever hear of Western/Eastern treasure magazine (metal detecting)? It shut down but had some good articles back in the day also.