FRANCE AIRMAIL YT F86 AND F89, 2 BLOCKS ANTOINE DE SAINT EXUPÉRY. "75th anniversary of the 1st edition of the Little Prince". 1st printing for the F89. Airmail blocks F86/F89 of excellent overall quality. 2 First day canceled stamp blocks sold in the Philaposte collector's cardboard pouch.Blocks guaranteed by our experts. YT: Yvert and Tellier (catalog of references and valuations).