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With the progress of the war raw materials began to be scarce and in particular gold for nibs, as the majority of European companies OMAS had to resort to some steel alloy, that the company renamed Permanio, that was declared to be better even than gold. In fact just this alloy proved to be one of the most susceptible to corrosion, so that today Permanio nibs are rare and have a much higher value of their analogues in gold.