Postmark - 6x bilingual instruction stamps: Par Avion...

6 original indication stamps older date, circa 1911....1960 Belgian Postal Service and Belgian Congo - "Par Avion / Per Vliegtuig (rare in bilingual version)" - "Surtaxe Aerienne Insuffisante / Air mail surcharge insufficient" - "Recommandé / Registered" - "Inconnu / Unknown" - "Service des Postes / Post Office" - "Assuré / Insured" Steel stamp, wooden handle Height approx 11 cm, width of impression 3 cm ... 7 cm In used condition. With patina appropriate to its age. (a few photos are mirrored)

Stima:€1

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