Kennedy Mantle Clock (U.S. National Park Service)

This glass encased clock is prominently displayed on the mantle in the parlor of the Kennedy family

Old Post Office (Washington, D.C.) - Wikipedia

The Truman Interiors: Mantel Clock - White House Historical Association

Antique Mantel Clock, Sessions Clock Co. Forestville, Conn.,USA With Key

Bonhams : Outstanding Clocks from the Elliot Collection Lead Bonhams Fine English Clocks Sale

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Silver Clock (U.S. National Park Service)

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Kennedy Mantle Clock (U.S. National Park Service)

Kennedy Clock