Could be counterfeit. Many fakes have been available from China for major brands for quite some time. This has been a thing for at least a couple years.
For instance the Nordost Odin 2 interconnect (which I have tested in my system, $17K) was available from China for $100. I was interested in how good a fake they were so I bought a pair. They looked exactly like the real thing... except the wood block on each cable was made from a different wood, loose and not as well made as the real thing. If you knew nothing about there being fakes, I don't know how anyone would figure out it was a fake. it out... no it did not sound as good.