See the below pay receipt documents from the WallBuilders library. These documents, from 1778, 1780, and 1782, are for three black soldiers who fought during the Revolutionary War.
1778 Pay Receipt for Pomp Kearns, a member of the Rehobath militia.
1780 Pay Receipt for Croft Conomy, a member of the "Connecticut Line."
1782 Pay Receipt for Nero Cross, a member of the "Connecticut Line."