(Steam) Vicksburg, Mi. 1845 folded cover from New Orleans to Walnut Bayou, La., sent to Vicksburg with cds & straight line "Steam" handstamp applied with manuscript "10" rate, sent onto Richmond, La. & forwarded to Walnut Bayou with rate totalled to "15", Very Fine and rare. Estimate  $300 - 400. $0 (Image)