A handwritten letter from George Washington is to headline a sale of material connected with him at Skinner on October 30.
The US auction house describes it as "one of the most notable collections of original signed George Washington material to be offered at auction in recent history."
This piece dates to March 1, 1797 - the final year of Washington's presidency.
It's an invite to the swearing in of Washington's successor, Thomas Jefferson, addressed to New York state senator John Laurance.
Washington writes: "It appearing to me proper that the Senate of the United States should be convened on Saturday the fourth day of March instant; you are desired to attend in the Chamber of the Senate on that day, at eleven o'Clock in the forenoon, to receive any communications which the President of the United States may then have to lay before you, touching their interests."
It's expected to sell for around $30,000-50,000.
A survey of an estate in Virginia that Washington completed in 1751, during his pre-revolutionary role as a land surveyor, could make $20,000-30,000.
Virginia was undergoing rapid colonisation at the time and surveyors were in high demand.
Washington carried out around 190 surveys during the three years he spent working there between 1750 and 1753.
We have a truly remarkable piece of Washington memorabilia for sale.
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