Lot
620 
1873, 30¢ gray black. Used with 2¢ vermilion pair + 5¢ blue + 10¢ brown pair on a large yellow 1877 registered cover from Boston to Quebec, Canada, with Montreal backstamp, cover with large sealed tears and reduced at sides and bottom, still a rare franking, F.-V.F.; with 2006 P.F. certificate. Scott No. 165+161+178+179 Estimate $750 - 1,000.
Realized: $725