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Oldenburg Wappen. Briefmarkenbeschreibung Freimarken Oldenburger Wappen im Oval Postage stamp with coats of arms of Oldenburg inside an oval perforation rouletted Ausgabepreis Groschen First Day of Issue Erstausgabetag Juli MichelKatalogNr Oldenburg scanned by NobbiP Engraved by Schilling PDold Philately Oldenburger Wappen