617806 Coat of arms of Silesia, c.1898 (colour litho) by German School, (19th century); Private Collection; (add.info.: The Silesian Eagle with crescent stems from the ruling dynasty of the Piasts and was first applied by Duke Henry II the Pious (1238-1241); Austrian Silesia, officially the Duchy of Upper and Lower Silesia was an autonomous region of the Kingdom of Bohemia and the Austrian Empire; from 1867 until 1918 it was a Cisleithanian crown land of Austria-Hungary; in heraldic language the blazon is: \'Or, an eagle sable, charged with a crescent with cross argent, crowned or\';); Prismatic Pictures ; German, out of copyright.