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:
Blankenfeldi pitser. en Seal of Johann Blankenfeld Archbishop of Riga and Bishop of Tartu and Tallinn et Riia peapiiskopi Tallinna ja Tartu piiskopi Johann Blankenfeldi pitsat de Das Siegel des Johann Blankenfelds Erzbischof von Riga und Bischof von Dorpat Tartu und Reval Tallinn Eesti ajalugu II Eesti keskaeg Reproduction of seal