Brainard & Co. and Hale & Co., on 1845 Folded Letter from Troy, NY to Hartford, Conn.

Conjunctive use of two independent mail companies, mailed 3 Weeks after Postal Act of 1845 became law.
This folded letter, dated March 26, 1845, written by a husband to his wife, was carried by Brainard & Co. from Troy to New York City. There, it was transferred to Hale & Co. for final delivery to Hartford, Connecticut. The letter never entered the U.S. mails