American Letter Mail Co., Red Company Forwarding Handstamp on 1844 Transatlantic Folded Letter, Birmingham to Philadelphia via Boston

Datelined September 18, 1844, folded letter sent from Birmingham, England to Philadelphia. Carried on the Cunard Line Caledonia, which departed Liverpool on September 18 and arrived in Boston on October 2. Addressed to Philadelphia. Forwarded from Boston to Philadelphia by the American Letter Mail Co. Duplicate invoice contents noted.