Instant purchase OK. No price reduction. This is an authenticated item. Regarding BGS, I am selling items that I have had authenticated by the authentication organization myself. As you can see from the items listed, the numbers are often close. Please comment if you have any questions. For authenticated items, there may be white spots or stains on the case. Please be aware of this beforehand. No holds. Priority to immediate purchasers. Please refer to the photos and the condition of the item. I tend to reply more quickly to comments than to transaction messages. The shipping method is undecided, but I will basically ship via Yu-Yu Mercari Bin or Raku-Raku Mercari Bin. I may also use Letter Pack, but I generally use Mercari Bin.