From the South Carolina Dept. of Archives and History.
http://www.archivesindex.sc.gov/onlinearchives/
Series: S213003 Volume – 002I Page – 00704 Item – 02
Date: 1754/02/02
Description: GUIN, CHRISTOPHER, LATE OF NORTH CAROLINA, TO JOSEPH ALLSTON, OF CRAVEN COUNTY, BILL OF SALE FOR ONE INDIAN WOMAN SLAVE NAMED JENNY, ONE INDIAN WOMAN SLAVE NAMED AGGIE, AND ONE INDIAN GIRL SLAVE NAMED RACHEL. (2 PAGES)
Hat tip to Joy for this information.