button proof
date: label: date made
content: 1972
creditLine: label: Credit Line
content: Honorable Michael V. DiSalle in memory of Thomas H. Williams
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PL.315264.0922
label: accession number
content: 315264
label: catalog number
content: 315264.0922
objectType: label: Object Name
content: button proof
physicalDescription: label: Measurements
content: overall: 9 3/4 in x 2 in; 24.765 cm x 5.08 cm