The author died in 1944, so this work is in the public domain in its country of origin and other countries and areas where the
copyright term is the author's life plus 75 years or fewer.
=={{int:filedesc}}== {{Information |description={{en|1=Prince Sigismund of Prussia (1896-1978)}} |date=1910 {{en|1=The Wartenburg Trust asserts that all the images in their collection were published in Europe as postcards or prints prior to 1921.}} |so...
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