Great Set of 4 WW ll Aircraft Coasters on tile with Cork backing. There is a P-47 Thunderbolt, a B-25 Mitchell, a P-51 Mustang and a B-24 Liberator. The B-25 is the Coaster that has the tiny piece of cork missing from the back. Please see photo. They come from a smoke free environment and will be packaged well for shipment. They seem to possibly be one of a kind as I Cannot find them anywhere else on the Internet.