- Document on one leaf in three hands. On top, a contract signed by Dudley Saltonstall promising to "carry to North American for sale" a "negroe girl named Mimba." On bottom, a reciept for the sale of the slave Mimba dated June 4, 1763. On back, verification of sums received by Dudley Saltonstall. Signed by John Joy of New London [Connecticut] and dated October 13, 1763.