shotgun shell

After finding lots of head stamps of old shotgun shells, I came across the slug on the right. I was wondering what info someone may have? The area has yielded head stamps from early 1900s to the 1930s and some from the 60s/70s. I am curious about the slug on the right. I put on of the shells...

One of my first finds with my Lobo Supertraq! Did some quick googling and found out it was made anywhere from 1867-1911 by Union Metallic Cartridge Company. This is the star primer headstamp, which I believe is on the newer end of that manufacture period. Still makes it pretty old and cool! I...