EARLY 19TH CENTURY WASHINGTON, DC SLAVE PURCHASE DOCUMENT,dated August 10, 1818. 34 lines in sepia ink script written by a William Cooper of the City of Washington who promises $600.00 to a Thomas B. Dashielle also of City of Washington for "a negro slave girl Eliza aged about eighteen years...being the same girl which the said T.B. Dashielle purchased of Benjamin Berry...of Prince Georges County." The document provides that Eliza would be freed after fifteen years of service, but any children than Eliza might bear would remain slaves of Cooper. - 13 1/4 in. x 8 in. Framed. PROVENANCE: Estate of Jim Graham, former Washington, DC, Councilman Estimate $500-700