CO76-4-13S : 1976 - Set 2 FFC on board "Concorde - Test Flights Kuala Lumpur-Bahrain"

N°CO76-4-13S : Set of 2 First Flight Cover (FFC) carried on board "April 13, 1976 : Concorde N°1 F-WTSB - Test Flights Air France 409-410 et 411 Kuala Lumpur (Malaysia) - Colombo (Sri Lanka) - Bahrain" by Concorde :

- FFC n°1 : Franked Sri Lanka 1 value postmarked in Colombo (Sri Lanka) dated April 13, 1976
+ Complementary postage Bahrain 1 value postmarked in Bahrein dated April 13, 1976
+ Blue First Flight cachet  "On Board Concorde 1"

- FFC n°2 : Franked Malaysia 1 value postmarked in Kuala Lumpur (Malaysia) dated April 13, 1976
+ Postmarked in Colombo (Sri Lanka) dated April 13, 1976
+ Red First Flight cachet "On board Concorde 1"

(Quotation = 150,00€)
VERY RARE