The WW1 Identity Bracelet featuring Preston G. Coffman from the 105th Machine Gun Battalion is a unique collectible item that serves as a historical memorabilia piece. This bracelet holds significance as it represents a piece of World War I history, showcasing the name and unit of a soldier who served in the Great War. It serves as a tangible connection to the past, allowing collectors and history enthusiasts to honor and remember the sacrifices made by individuals like Preston G. Coffman during this significant period in time.