1864 pair of entires both franked 15c., the first 13 Ago from Messina to Trapani cancelled by Palermo-Malta Piroscafi Post Italiani keyhole date stamp with a fine strike alongside, the second of 6 Set from Siracusa to Genova cancelled Malta-Palermo Piroscafi Post Italiani. A fine pair of covers showing both directions of this scarce maritime date stamp.