Lot
766 
S.B. Pizarro (Missouri River), black octagon handstamp on 1839 folded letter from St. Louis to St. Charles, Mo., cover silked re-enforcing edge splits, Very Fine appearance.Milgram No. 1115 Estimate $750 - 1,000.
THIS IS THE EARLIEST MISSOURI RIVER STEAMBOAT MARKING AND THE ONLY KNOWN EXAMPLE.
Realized: $2,200