Mailing envelope addressed in the hand of John Brown, 5 x 3, [April 6, 1852], sent to "Fras. W. Tappan Esqr., Ravenna, Portage Co., Ohio," with Brown adding "Paid" above. Upper interior flap is marked by the recipient: "John Brown, 1852, Receipt." In fine condition. Accompanied by an engraving bearing a facsimile signature, and by a photocopy of the purported included contents: an acknowledgment of receipt of a shares certificate from the Cleveland and Pittsburgh Rail Road.