Donated by the National Aeronautic Association
Country of Origin: United States of America
Dimensions:
2-D - Unframed (H x W): 5.7cm (2 1/4 in.)
Materials:
Button: Steel
Cover: Plastic
Physical Description:
1946 Cleveland Air Races Construction Permit; orange yellow plastic disc with steel pin back; black letter text "TEMPORARY CONSTRUCTION PERMIT 163 NATIONAL AIR RACES 1946".
