AF 1
448 is not the lowest price.
But purchasing in Hong Kong is definitely not acceptable. Now the shoe street in Hong Kong is not as good as it used to be, and purchasing is just going to a specialty store, so it can't be cheap. But if you buy it, it must be genuine.
There are also many private shops in Guangzhou, so you can go shopping. As I am not from Guangzhou, I don't recommend them. ...
Relevant information can be found in magazines or Baidu.