*Three silver coins dating from early thought to have been made at Hedeby in Demark and found at a Viking market-place in Sweden. Longboats can be seen on two of the coins. Two of these Viking silver coins have pictures of ships stamped on them .
I& a little wary of posting an infographic from the History Channel, notorious for rarely doing its history homework, not to mention all its ancient alien programming posing as real science, and they should have done spellcheck first
"Scheibenfibel im Borrestil - original The second of the great Viking-style is called Borre style and takes its name from the famous grave sites of Borre in Vestfold Norway, which dates from the 9th to the 10th century. The Borre style represents the second phase of the Nordic Cross animal style and was quite prevalent especially in the East Scandinavia." (quote - Google tranlate)