Large part of entire letter (only right side missing, not affecting text or postmarks), canc. "ΚΩΝΣΤΑΝΤΙΝ (ΤΟΥΡΚΙΑ)*4.ΦΕΒΡ.61", oval "ΔΠ", via "ΠΕΙΡΑΙΕΥΣ*6.ΦΕΒΡ.61", arr. "ΑΘΗΝΑΙ*6.ΦΕΒΡ.61" (all type III). Fine.