1916 Central Powers Formular Card FPO291 Postage Due to Winterthur
Code: B36901
Austria: 1916 ‘In Treue fest vereint’ imprinted Central Powers (Germany, Austria, Bulgaria, Ottoman Emire) formular card to Switzerland struck by Feldpost 291 datestamp and red censor cachet. Taxed on arrival with 10c Postage Due stamp tied by Winterthur arrival cds.
