A circa 1790 federal inlaid mahogany longcase clock by Ephraim Willard could make $70,000-100,000 at Bonhams New York.
The piece will highlight the Fine American & European Furniture, Silver, Folk and Decorative Art & Clocks auction on January 23.
Willard is regarded as one of the foremost Boston clockmakers of the 19th century, while the dial was painted by John Ritto Penniman - a well-regarded local painter who often worked with other craftsmen.
The clock features a moonphase dial and a bell that chimes the hour.
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