double sold

https://www.epicnpc.com/threads/top-tier-dl-acc-has-2-book-of-moon-5-teir-dks-ono-harpie-rda-gaia-td.2048577/ I purchased this from Shazaa Arfa this week with Trade Guardian. I've received the items, but I've noticed from day one that somebody else was playing on the account, as I kept getting...