A 13th century statue at the Naumburg Cathedral in Germany, made of Grillenburg Sandstone, depicting Regelinda, a member of the Polish Piast dynasty. It's one of the the famous donor portrait statues
Naumburg — Google Arts & Culture
Naumburg - Wikipedia
Naumburg Cathedral - Wikidata
Naumburg Cathedral in Naumburg (Saale), Deutschland | Sygic Travel