"Cairo. Ill. Jan. 24", blue manuscript postmark with matching "S.B. 25" steamboat rating on 1845 folded letter to Peoria Ill., interesting personal contents, intending to purchase an interest in a steamboat, mentions a couple of boats by name, Very Fine and scarce steamboat marking, unlisted in A.S.C.C. Estimate  $150 - 200. $0 (Image)