Turkey #C9-11 World War II Airmails - 1941 Mint NH Complete Set of 3

Issued during the wartime turmoil surrounding Turkey, this set was prepared by overprinting earlier issues with an airplane silhouette and new values. They represent Turkey’s last overprinted airmails, subsequent sets featured designs unique to airmails - making this trio a key transitional set.  (Turkey #C9-11)