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OldestAustrianPictPostcard. en Oldest known AustrianHungarian picture postcard sent from Vienna to Zombor Sombor and back to Vienna date sent May th The card was sent out by the Serb Petar Manojlovi to his cousin Postcard is written in Serbian language with Cyrillic script sr Najstarija poznata razglednica AustroUgarskoj poslata