I believe these are German military suspenders. They are usable, but there are stains and dirt. Stamped: 1852 V 07 60 110 It's difficult to tell from the photos, but the color is olive. Please consider purchasing only if you understand vintage and military items. Please make your judgment based on the photos. I am not knowledgeable, so I cannot answer questions. Search terms: Suspender buttons World War Vintage Levi's Deadstock Military suspenders US Army Surplus