This is an authentic item purchased at the Yokohama Takashimaya store. The warranty card is included. (See photo 10) I've only used it once for a dinner party, so there are no noticeable scratches or stains. There is a slight indentation on the bottom, but it shouldn't be noticeable during use. (See photo 6) I have stored it in the included drawstring bag, but please understand that it has been stored by a private individual. I'm hesitant to sell it, but I'd like to pass it on to someone who has been looking for it and will take good care of it.