Unspent Austrian-Hungarian field postage stamps for Romania, sub-series - Unissued Austro-Hungarian field post stamps for Romania, partial series **/MNH ex I/XIII or similar. - Catawiki
Paketweiterleitung aus Deutschland nach Österreich
Austria - 1919 Express Stamps of 1917 Overprinted Deutschösterreich | eBay
Unused stamps - Baustein PRO JUVENTUTE Kinderdorfhaus - Haus der Post 1978 Weihnachten - Ballonpost Sondermarke