Only 11 of these 9th century coins are known to exist

Uh, plus the 172 found this past summer.

Uh, and the 77 found in October.

http://www.thehistoryblog.com/archives/53228

“’This completely shifts our understanding of how we used to mint and the process of coin production.’” – Clause Feveile, Museum of South Jutland.

“When these coins were struck in the first half of the 9th century, Gudfred and later his sons ruled as kings of the Danes. Gudfred is the first Danish king we have decently reliable evidence of in contemporary chronicles. He fought against Charlemagne and the Franks. His son Horik I (the only son whose name is recorded but not the only one to rule) carried on his father’s legacy by raiding the Carolingian Empire of Charlemagne’s son Louis the Pious. We know little about Gudfred and his sons’ monetary policies or really much of anything about their reigns beyond their interactions with the Franks. The hoard may shed a whole new light on an obscure historical period.”