These include 5 cards of rare or higher rarity and 5 cards with alternate card edges
According to Bulbapedia: In Japan, this card was given to participants of the 20th Anniversary Festa, held at Toki Messe, Niigata on October 10, 2016 and at the Nagoya Trade & Industry Center, Nagoya on October 23, 2016. From nintendowire.com: A special edition Pikachu full art card will also be given out to those competing in the tournament which features all three Kanto starters and the 20th Anniversary logo! It seems like there were separate card prizes for the winners consist of special Trainer cards featuring gold, silver and bronze rings, so it seems the 279 XY-P was a participation card that all the competitors received
Multiple other people proof read the stuff before it goes to the print facility
Each picture will have a link underneath it just in-case as well 1024612 151 KB 1024600 129 KB 1024605 147 KB 1024620 137 KB 1024623 152 KB 1024648 162 KB PSA 5-10 still have to be scanned in 20 Likes PSA 1-10 Collections of a single card What's the difference between a PSA 8/9 & 10
The card dips for now, although I can see Ashaya, Soul of the Wild creeping back up again if it manages to dodge a reprint for the next couple of years