The disc comes from one of the former Missile Batteries that were deployed in Eastern German to Combat potential NATO Airstrikes in the event the Cold War became a Hot War between the West and East. A great rare piece of Cold War History. The disc measures: 22.75 inches. This item is in the category “Collectibles\Militaria\Other Militaria”. The seller is “cavaliercards” and is located in this country: US. This item can be shipped worldwide.