Wyman 149L1 1844 Folded Letter with PSE Cert

Offered is a certified used example of the rare 1844 Wyman's Letter Express stamp (Scott 149L1), tied to a complete folded letter with a bold pen cancel. Features a well-struck boxed red "Wyman's Letter Office" marking and additional manuscript postal notations. The letter has a tear at left and typical handling from the period. Accompanied by a 2024 PSE certificate confirming authenticity. A scarce and important piece of early U. S. local post history.