Russian administration issues: Cover franked with 2m. black in vertical pair canc. straight "ΡΕΘΥΜΝΟΝ" via "CONSTANTINOPLE POΠΗΤ 18.V.99" and British PO "27.MY.99" arr. "NY* T* 17.6.99" and franked with 3c. postage dues canc. by pen. VF (Hellas 5)