WW1 Original German Big Bertha artillery large howitzer naval cannon Prussian For Sale

Original WW1 German postcard
Big Bertha howitzer cannon
The 42 centimetre kurze Marinekanone 14 L/12 (short naval cannon), or Minenwerfer-Gerät (M-Gerät), popularly known by the nickname Big Bertha, was a German siege howitzer built by Krupp AG in Essen, Germany and fielded by the Imperial German Army from 1914 to 1918. The M-Gerät had a 42 cm (17 in) calibre barrel, making it one of the largest artillery pieces ever fielded.
Great condition with signs of light wear. Faint ink marks on back. Unposted. Mi or corner issuesApprox 5 1/2" x 3 1/2"
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