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:
PDStamps in Euroasia. Wrong colour for North Korea org BlankMapEurasia svg Grey stamps enter the public domain after the author has been dead for certain number of years in Europe depends on the country in Asia Red Stamps are in Public Domain Yellow Copyright of stamps expires years after publication Brown Copyright of stamps