| Austria |
| | Austria Bosnia and Herzegovina |
| | Austria Bosnia and Herzegovina, Portomarken |
| | Austria, Billing Marks |
| | Austria, court delivery marks |
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| Austria, Lombardy and Veneto |
| | Austria, Lombardy and Veneto, Newspaper Stamp Stamps |
| | Austria, Newspaper stamp Stamps |
| | Austria, Portomarken |
| | Austria, Premium Letter Brands |
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| Austria, Registration marks |
| | Austria, Stamp Stamps |
| | Austria, Supplementary Marks |
| | Austria, Telegraph Marks |
| | Austria, Trademarks on Private Order |
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| Austria, Vending Machine brands |
| | Austrian Hungarian. Field Mail, Portom brands |
| | Austrian Post In Crete |
| | Austrian Post in the Levant |
| | Austrian Post in the Levant, K.K.-steamship |
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| Austrian Post In the Levant, Portomarken |
| | Österr.-Hungarian. Field Mail, Delivery Marks |
| | Österr.-Hungarian. Field Post, Allg. Editions |
| | Österr.-Ungar. Field Post, Italy |
| | Österr.-Ungar. Field Post, Montenegro |
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| Österr.-Ungar. Field Post, Romania |
| | Österr.-Ungar. Field Post, Serbia |
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