| USA, 1913 Hotel ad cover to Austria, postage due |
| Great Britain real photo - Austria Postage Due censored |
| AUSTRIA TO SWITZERLAND POSTAGE DUE 1904 |
| 1938 Austria special Postage Due meter stamp cover. |
| Austria ten on '37 Reg. cover US Customs Duty Due? |
| 1924 AUSTRIA COVER TAXED FRANKED SWISS POSTAGE DUE |
| AUSTRIA TO SWITZERLAND POSTAGE DUE 1910 |
| AUSTRIA ITALY TO SWITZERLAND POSTAGE DUE 1908 |
| Austria 1946 postage due bisect disallowed |
| BELGIUM TO AUSTRIA POSTAGE DUE 1904 |
| AUSTRIA TO SWITZERLAND POSTAGE DUE 1910 |
| AUSTRIA:Postcard UNTER-TARVIS Used 1918. Postage Due |
| Austria MLH Complete Postage Due set [J204-J231] |
| AUSTRIA Turkey Postage Due MI#6-14 xb MH CV €280/$428 |
| 76) AUSTRIA 1899 MNH SELECTION POSTAGE DUE / PORTO |
| Austria Sc# J10-11, 1899 "Monarcy Imperf Postage Due" |
| 77) AUSTRIA 1900 MNH SELECTION POSTAGE DUE / PORTO |
| 78) AUSTRIA 1899 LOT POSTAGE DUE STAMPS / PORTO |
| AUSTRIA Postage Due MI#9 MNH CV €100/$152 |
| AUSTRIA Postage Due 1920 MNH b&w Proofs, Interesting! |
| 79) AUSTRIA 1900 LOT POSTAGE DUE STAMPS / PORTO |