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National Air and Space Museum Collection
A flat circular object with a large 2.5" hole in center. A crack appears from the outer edge to the center hole. A number "2" is written by the edge.
Transferred from the Smithsonian Institution to the United States National Museum.
Country of Origin
United States of America
3-D: 1.1 x 17.1cm (7/16 x 6 3/4 in.)
Storage: 23.5 x 23.5 x 4.45cm (9 1/4in. x 9 1/4in. x 1 3/4in.)
National Air and Space Museum
Restrictions & Rights
Usage conditions apply