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World War Two / Re: Help identifying ww2 binoculars
« on: Thursday 17 May 18 19:43 BST (UK) »exactly what i was thinking. wowChevalier of Paris were known for making Opera Glasses
A quick g00gle search suggests that Chevalier were around in the 19th century in Paris.
If your great grandfather took them from a German soldier, it is quite possible that the German soldier had looted them during the occupation of France.