The coin is, of course a copy of the design of a Viking penny from arond 1070. Genuine coins are extrememly scarce, so it's hard to find an example onthe INternet, but there's a picture of a very simlar penny of Olaf III of Norway on his
Wikipedia page.
It probably won't surprise you that "kopi" is Norwegian for "copy".
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis