Druid in Judicial Habit

No images survive of ancient Druids, but this picture - from Meyrick and Smith, The Costume of the Original Inhabitants of the British Islands - reveals an interpretation from 1815.

Credits

"An Arch Druid in His Judicial Habit," from Meyrick and Smith, The Costume of the Original Inhabitants of the British Islands, a book published by Howlett and Brimmer, London, 1815. 

Image online, courtesy British Museum.