GPK Nation co-founder Louis Gregory is running a special auction to support charity. Up for auction is a rare 24k gold plated playing card coin set. According to the auction, there were only 4 gold plated sets made, and all were given as gifts. Gregory is auctioning his personal set with a starting bid of $1000. 100% of the proceeds of the auction will go to SIDES, a charity focused on helping families with a child that has Ewing’s Sarcoma. Collectors can place their bid on the auction post on the GPK Nation Facebook page.