Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 1
Thursday, March 20, 2025 at 3:00 PM UTC
Lot 24:
1935, Sabena two mixed franking pre-printed covers, first one (February 23-March 8) on line Brussels-Leopoldville-Brussels, the other one (November 15-29) on line Brussels-Elisabethville-Brussels, each one franked by 5 Belgian and Belgian Congo air post stamps, appropriate flight cachet and arrival markings, VF, Est. $200-$250
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