1868 (15 MAI) unpaid EL from Piraeus to Istanbul. Taxed on arrival by 5 lep. "1868/69 issue" and 40 lep. greyish rose on grey-lilac "1862/67 issue" (both very fine). Tied by "ΚΩΝΣΤΑΝΤΙΝΟYΠΟΛΙΣ (ΤΟΥΡΚΙΑ) 17 ΜΑΪΟΣ 68" (Hellas 20IIa, 26a)