File:Longwy 1914.jpg

Summary
A German 1914 depiction of the capture of Longwy 26 August 1914.

Source: https://www.akg-images.co.uk/archive/Der-deutschfranzosische-Krieg-1914.-Einnahme-der-Festung-Lo-2UMDHU83O04E.html

Which states it was published in Weissenburg by C. Burckardt’s Nachf. in 1914