This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Stockerau Cover ROb. en Cover of Lower Austria sent from STOCKERAU to KLOSTERNEUBURG Black decorated oval postmark type Mueller ROb still in use in own Jacquesverlaeken Scan of object cczero Postmarks of Austria Linear postmarks Uploaded with in Austria Stockerau Klosterneuburg Monastery Postal covers of Austria