McDonnell Douglas YC-15 Unloading M-109A1 Marines Large Foam Board 1970s

In good overall condition for age. Used by McDonnell Douglas in sales conventions by the publicity department. Shows signs of usage including marks and dents in foam. On the back is writing and hook and loop base connectors. It is large measuring about 24" x 20". Will be sent between heavy carboard. Please see photos.