Large part of prepaid letter sheet cover from Nafplion to Livorno, fr. with 5x20l blue, 2l bistre, 5l. deep green and 10l orange, all tied by "15" Nafplion lozenge cds. On reverse transit postmark "ΑΘΗΝΑΙ*17.ΙΟΥΛ.64". One 20l. stamp with faults, the rest fine - very fine. 20l stamps of consecutive Athens printings while 2l+5l+10l stamps provisionals. The letter was 5l overpaid. 5-colour franking. Rare and impressive. (Hellas 19b+10Ib+11Ic+12Ib).