Is manufacturer 'KO' as seen on both 1914 EK1s and EK2s the Königliches Münzamt Orden or Klein & Quenzer?
Usually Klein & Quenzer Idar Oberstein is mentioned, but less frequently Königliches Münzamt Orden Berlin.
Thanks for your advice.
Usually Klein & Quenzer Idar Oberstein is mentioned, but less frequently Königliches Münzamt Orden Berlin.
Thanks for your advice.
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