The authenticity of this bag is verified by Professional Appraiser. If you want to get a certificate of authentication. And feature of the item will be preserved on google drive. I can provide you all the information about that.
Don't worry about that kind of issue. All feature of the item will be recorded before.US Customer doesn't need to pay extra tariff. (Duty-Free up until USD 800). This item is in the category "Sports Mem, Cards & Fan Shop\Fan Apparel & Souvenirs\Olympics". The seller is "mairen" and is located in this country: KR. This item can be shipped to United States, all countries in continental Asia, Australia.