Cover (envelope) fr. with 20l. deep blue in pair (pos.21-22/plate flaws thin circle + oblique line at the upper part of the stamp-pos.22), canc. "ΠΕΙΡΑΙΕΥΣ*15.ΙΑΝ.75", arr. "ΚΩΝΣΤΑΝΤΙΝΟΥΠΟΛΙΣ (ΤΟΥΡΚΙΑ)*19.ΙΑΝ.42". Very fine. (Hellas 41b+41b20F5CF2).