THE DACIAN DRAGON ON TRAJAN'S COLUMN and THE FIRST COHORT OF DACIANS, HADRIAN'S OWN, AT BIRDOSWALD

A very nice site portraying the scenes of Trajan's Column:

http://www.trajans-column.org/?page_id=107

These photos are courtesy Wikipedia's article on the 'Dacian Draco':

Wikipedia also has an excellent article on the Dacian unit stationed at Banna/Birdoswald in the Irthing Valley of Arthwys, father of Ceidio/Arthur:

https://en.wikipedia.org/wiki/Cohors_I_Aelia_Dacorum

Another nice page on the Dacians at Birdoswald:

https://www.english-heritage.org.uk/visit/places/birdoswald-roman-fort-hadrians-wall/history-and-stories/the-people-of-birdsowald/