SAB58-H4T1 : SAAR 1958 SABENA Helicopter Special Flight Brussel Expo 58 - Paris (TYPE 1)

N°SAB58-H4T1 : SAAR Postal stationary 18FF grey "President Heuss" (Mi P49F ; Frageteil) travelled on board "SABENA Helicopter Special Flight Brussel Expo 1958 (Belgium) - Paris (France) dated April 15, 1958" (TYPE 1) :

Aerial transits at departure from Saar under temporary French administration

Franked TYPE 1 : Saarland block of 3 values 1,00 (FF) green "Heuss, 1957" (Mi 380) postmarked in Merzig (Saar) "100 Jahrfeier der Stadt" dated April 9, 1958
+ Approved stamp of flight "SABENA Helicopter - Special Mail Brussel Expo 58 (Belgium) - Paris (France)" dated April 15, 1958
+ slogan cancellation in Paris (France) dated April 15, 1958
+ Red Cachet "Return by SABENA - Brussel 10"

EXCEPTIONNAL ITEM - VERY RARE