'''Archaeology'''<br>
* England, York, 5 finds, 1 of bone, 4 of unknown. [MacGREGOR, MAINMAN and ROGERS 1999: p.1949]
* Scotland, Jarlshof. 4 completed bone pins with dragon head aligned to the shaft with open mouths and two part made pins. [MacGREGOR 1985:p.119][MacGREGOR, MAINMAN and ROGERS 1999: p.1949][Hayer HAYEUR Smith p.173].
* Iceland, Ymaberg. Bone, dragon head with open mouth, 16.3cm long [HAYEUR SMITH 2003:p.173 cat.11296].
* Denmark, Hedeby.