Prepaid EL from "ΑΡΓΟΣΤΟΛΙΟΝ (ΚΕΦΑΛΛ.)*25 ΑΥΓ. 73" fr. with 5l. greyish-green, 10l. red-orange and 40l. greyish magenta on blue (55l. single rate prepaid Greece-Austria according to 04/1868 treaty), via "ΚΕΡΚΥΡΑ*28 ΑΥΓ. 74", arr. "TRIEST". (Hellas 39c+40a+29a).