In The London Archives

Guide to the materials in London archives for the history of the United ... included the following:

5444.  Proceedings of the court-martial, at Halifax, of the officers and part of the crew of the Picton, captured by the U.S.S. Constitution.  Aug. 3, 1814. (Copies of the official correspondence relating to the capture.)...

Now the gallant Constitution, 44, again appears on the scene of strife.
She was on the coast of Surinam at the beginning of February, and on the 14th of that month she captured the British war schooner Picton, 16, together with a letter-of-marque which was under her convoy. [Source]