Lot
576 
French Offices in Canton, 1929 Return Flight Covers, two registered flight covers with Canton and Indo-China mixed frankings; includes the 1929 Costes - Bellonte North Atlantic Ocean return flight cover bearing the scarce 1919 2pi on 5fr high value, and the Le Brix - Paillard Saigon to France return flight; first with some minor gum tone and later with trivial file fold, otherwise Very Fine. Estimate $200 - 300.