26.5.1945. Cover from Ioannina to Turkey, franked with 20dr. + 5dr., canc. "ΙΩΑΝΝΙΝΑ - ΑΠΟΣΤΟΛΗ / 26.V.45", with Greek censorship tape & markings & arr. canc. of Istanbul. Postal rate of 25dr. for a letter weighing up to 20g., valid from 1.4.1945 to 15.9.1945.