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I don't do the Boer War, but I think this is identical or reasonably similar to the de Bange 155 mm long cannon mle. 1877 which produced in large numbers and served in several conflicts including WW1 (1.392 guns), the Russian Civil War (160 guns went to Russia), the Spanish Civil War (32 guns), WW2 (French and Finnish service). So, a very useful model!