The US Air Force Lithograph Series Set #36 11pcs. This set would look great framed on your wall. Each one measure 17″x23″ the original envelope is included. It has folds scuffs and creases. It was opened for these pictures. The pictures themselves may have damaged corners and scratches on the blackboard areas. They are in great shape overall. The following are included. Fighter Weapons School Formation. Please see pics for details.