The dragon is the only one creature that has mastered all 4 elements. He can walk on the land, fly through the air, spew fire, and swim in the water. The symbol denotes vital energy, power and the greatest wisdom.
This fibula is inspired by archeological finds in Norway dated 9-10 ages.

Dimensions: 
Height 5.7 centimeters (2.24 inches)
Width 5.1 centimeters (2 inches)