Lot
1733 
1861, 1¢ dark blue, vertical strip of three, intense true dark blue color, tied by "Philadelphia, Pa., Aug 18" cds's on cover to Bristol, R.I., Very Fine, a very scarce on cover multiple usage; with 2015 P.F. certificate. Scott No. 63b; $2,550 for off cover singles Estimate $400 - 600.
Realized: $425