I think that the lesson to be learned here is that all the preceding American companies imported Solingen razors, probably all made by the same anonymous manufacturer, and marked variously for the importers, including lots of address changes for different importers, who may have been the same people under different aliases. So, Matt, your Pearl King may have originally been able to quack, before it got it's scales and tang stamps! Quite a nice razor, and may be equal to any Duck. If it looks like a duck and shaves like a duck, it could be a Duck!