This is an 1880s-1890s US Life Saving Service cap or collar badges.
About 1" in width by 1" in height.
Single screw post with one stabilizing post.
This is from a large collection which we will be listing more of over the next few months. MBEL01 LHEX
8- (Very Fine-Excellent): Very minor wear.
As with all my items, this piece is guaranteed original.