Lot
1769 
1851, 1¢ blue, type IV, horizontal pair + 3¢ dull red. Tied by "New Orleans, La., Apr 14" cds's paying the pre-treaty 5¢ open mail rate on 1856 folded letter to Nantes, France, Calais entry and due handstamps additionally tying pair, "Boston, Br. Pkt., Apr 23" exchange cds on reverse, F.-V.F. Scott No. 9+11 Estimate $200 - 300.
Realized: $115