Jack Brutus was the official mascot for Company K of the First Connecticut Volunteer Infantry during the Spanish-American War. Unlike Sergeant Stubby, Jack was never in the action nor had a rank. He died in 1898 of spinal troubles and other complications.
I found this picture with a caption saying this is door knobs found in coal. I believe it to actually be some type of coral or other formation under water. But would like some further advice to clarify what exactly it is! Any information will help!