Cover (envelope) mailed registered, linear "ΣΥΣΤΗΜΕΝΟΝ", fr. with 20l bright rosine and 30l slate blue, canc. "ΑΡΓΟΣΤΟΛΙΟΝ*28.ΜΑΙΟΣ.88", via "ΚΕΡΚΥΡΑ", "BRINDISI" and ambulant "MESSINA-PALERMO*14.GIU.88", arr. "PALERMO*15.GIU.88". 30 Lepta UPU rate and 20l for the registration. Wax-seals removed, still very fine and attractive. (Hellas 59IIa+60b).