Lot
746 
Skull & Crossbones of Boston & Albany R.P.O., fancy cancel tying 1873, 3¢ green on cover to Canbria, N.Y., with mostly clear postmark alongside; cover with small tear at top and edge nick at lower left, F.-V.F.; with 1994 P.S.E. certificate. Cole No. SK-15. Scott No. 158 Estimate $100 - 150.