I am thinking that possibly the first one I got from Health Cabin (via ECF coop) had a finish coat missing. The pic below is form HC's website. In the upper, left corner it shows the CE mark that my Vamo from Vapor Break has, but the one I got from HC does not have this. Possibly there is a clear finish coat and then the CE mark is applied. Maybe my first black chrome Vamo had missed that step. Not sure, just putting forward a theory as to why some show significant wear very quickly and others do not. So far no signs of wear on the second one I got from VB.
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That might be it! Mine from HC purchased first day of Christmas sale has the CE/ROHS labels, so maybe yours did miss the final coating step