A manuscript signed by Sir Isaac Newton realised $27,302 in a sale of memorabilia at RR Auction that closed on August 12.
The lot dates to August 14, 1717 and relates to the transfer of a sum of money.
Newton was appointed Warden of the Mint in 1698 and held the position until his death in 1727.
The text reads: "In pursuance of a Warrant…That You Deliver and Pay of such his Ma's Treasure as remains in your charge unto Sir Isaac Newton Kn't Master and Worker of his Ma's Mint or to his Assignees the Sum of five hundred Pounds…and upon account towards defraying the charge which the Coynage of Copper Half pence and farthings at the said Mint shall require to begin and carry on the same."
RR Auction explained in the run-up to the sale: "Any autographic material from Newton is exceedingly rare, with this being an especially remarkable example given its important numismatic content."
A handwritten musical score by Gustav Mahler also sold well, achieving $22,136.
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