Italian army postal service Upper Silesia 40 Pfg green olive, 1 Mark rose lilac horizontal pair postage stamps issue ironworks and peace pigeon 1920 on picture postcard (coloured) from Rybnik to Napoli, ZKr RYBNIK 9.6.1922 (293.5), picture postcards topic: Greeting word S. K. H. Of the duke from Aosta, the card was, like the by far predominant part the correspondence of the Italian troop contingent in Upper Silesia, of the civil post of the plebiscite area transported, good condition