Datei:Nidhogg.png

https://commons.wikimedia.org/wiki/File:Nidhogg.png

the dragon Niðhöggr gnawing the roots of Yggdrasill

from the 17th century Icelandic manuscript AM 738 4to, now in the care of the Árni Magnússon Institute in Iceland; taken from the English Wikipedia, see Image:AM 738 4to Nidhoggr.png

Dort : This is a faithful photographic reproduction of a two-dimensional, public domain work of art. The work of art itself is in the public domain for the following reason: Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or less.