I have received the board neatly packed in ESD protection bag and paper box, with proper invoice. The seller asked additonal VAT payment, but this was indicated already on the product page so no surprise. The build quality of the board is great and it works reliably. However the seller did not respond to any questions after purchase, kind of left me alone to figure out how to use the board with the latest Arduino IDE (which is not supported by the patches available at the vendors website, at the time I write this review).
So in short, as long as the board works, it is a great product! However as soon as you need support, you are left alone.