Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Tunisia - Pioneer Flight - 1917 (April 5), military free-frank cover from Gabes to Lyon, violet boxed ''Aviation Militaire. Service Postal. Sud Tunisien'', Gabes ds is alongside, no backstamp as always, mostly VF and very scarce, Est. $200-$250