The images taken from this microfilm publication, M162, are reproduced records of prize cases heard on appeal from Colonial and state courts by committees of the Continental Congress (1776-80) and by the Court of Appeals in Cases of Capture (1780-86). These records, frequently referred to as the Revolutionary War Prize cases, are in the custody of the Supreme Court of the United States, where they were deposited by an act of congress approved May 8, 1792.
Source
The Revolutionary War Prize Cases: Records of the Court of Appeals in Cases of Capture, 1776-1787. Records of the Supreme Court of the United States, Record Group 267, Publication M162; National Archives, Washington.