Was there any paint on the box??? Any weird smell?? It almost looks like either something was pushed up against it when it was still wet or the polystone wasn't completely cured when it was painted which would cause discoloration. If it was the later the painters wouldn't even know, and it might not show as an issue for a few weeks or months, which would be the transit time from China. Any way you cut it that will get you a replacement.
No paint stains on Styrofoam or smell.
Some portion of the paint seems too thick and some thin.
Its just awful beyond words.
Got it from a AD and not direct SS.
So will just transport it back to get a replacement if possible.