Lot
2629 
Canal Zone, Airmail, 1951, 31¢ Globe & Wing, imperf vertically, tied by "Cristobal, Dec 30, 1857" machine postmark on cover to APO address in New York, A.P.O. receiver on reverse; left stamp with diagonal crease, otherwise Very Fine, this being one of only three known imperf vertical pairs on cover. Scott Nos. C25a Estimate $500 - 750.
Realized: $725