Help with unknown mark on old hawks

Recently purchased in France, any identification on the ‘52’ mark or other origin/age info would be much appreciated !





The hallmark seems to be the Mexican Eagle 1955 to 1979 type, with 52 being the makers number. Can anyone identify the maker, or direct me to more information please ?

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I think Dux is correct, that is a Mexican eagle. I have The little book of Mexican silver trade & hallmarks. I’ll send over a pic of the listing for #52
DSC05254

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