Lot
747 
Surinam, 1931 (Aug. 18) Suriname Do-X Flight Cover, Do.X surcharges C8-14 complete set of seven with variety 40c without period after Do, tied by 18.8.31 postmarks on cover addressed to Rotterdam. With special Flight cachet on reverse. Light file fold, F.-V.F. Estimate $150 - 200.
Realized: $130