This charming drawing of a walrus with long tusks is in the public domain. He looks both a bit cheeky and a bit mean to me; almost as if he is trying to fake being fierce. This is primarily a drawing of just the head of the walrus but hopefully that’s all you need for your project.
Over 200 illustrations from Hill’s Album of Biography and Art are now included on Reusable Art. It was published in 1882 by Thomas E. Hill.
This image is copyright free and in the public domain anywhere that extends copyrights 70 years after death or at least 120 years after publication when the original illustrator is unknown.