Stamps of Austria, Rotary Convention overprint
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semipostal
1931, Jun 20 ovptedscenery larger unwmk p. 12 (6 stamps)
| - | 10g | bis | ovpt, Gussing castle | |||
| - | 20g | dkgray | ovpt, Durnstein | |||
| - | 30g | dkvio | ovpt, Seewiesen | |||
| - | 40g | dkbl | ovpt, Hofburg, Innsbruck | |||
| - | 50g | slvio | ovpt, Worthersee | |||
| - | 1s | dkbrn | ovpt, National Library Vienna |
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