EL franked with 5 lep. yellow-green, 20 lep. sky-blue and 10 lep. greyish-rose on grey-lilac. Cancelled with "ΠΑΤΡΑΙ 21 ΑΠΡ 68", numeral "9", boxed "PIROSCAFI POSTALI ITALIANI" and red "PD" with transit cds "ΑΘΗΝΑΙ" and "BRINDISI" on reverse (Hellas 20IIa, 25a, 27a)