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National Air and Space Museum Collection
A rounded object with an elevated rim which dips down 0.5" to a 6.125" wide flattened area. A very small hole appears in the center.
Transferred from the Smithsonian Institution to the United States National Museum.
Country of Origin
United States of America
3-D: 2.5 x 18.7cm (1 x 7 3/8 in.)
Storage: 22.86 x 22.86 x 4.13cm (9in. x 9in. x 1 5/8in.)
National Air and Space Museum
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