The World War 1 Princess Mary Christmas Gift 1914 Metal Tin is a collectable item that includes coins and other memorabilia from the era of World War I. This gift box, issued by Great Britain, is a unique piece of militaria related to the army service during the conflict. The tin serves as a tangible connection to the historical period of 1914-1945, making it a special and nostalgic gift for collectors and history enthusiasts alike.