Lot
2486 
Canal Zone, Airmail, 1939, 15¢ Canal Anniversary, with "P" perfin for Panama Canal, tied by "Balboa Heights, Canal Zone, Feb 10, 1940" machine cancel on "The Panama Canal" Official Business airmail legal-size cover to Washington D.C., "Via Air Mail" handstamp, Very Fine. Scott No. C17 Estimate $300 - 400.
Realized: $250