If you are buying something from another country, you are responsible for ensuring it is legal to ship into your country. A seller doesn't need to know every countries laws.
That said, knowingly buying counterfeits is illegal. If you have good reason to suspect it's counterfeit before buying, you could be charged.
That said, knowingly buying counterfeits is illegal. If you have good reason to suspect it's counterfeit before buying, you could be charged.