This is an unorthodox card face set. Created by Eugene Trounev for the KDE games. Added to the Open Clip Art Library with his permission.
氧氣撲克牌面孔
ace、card、card faces、cards、club、diamond、face cards、heart、jack、king、oxygen、playing cards、poker、queen、solitare、spade
高手、卡、卡面孔、牌、俱樂部、鑽石、面部卡、心、插口、王、氧、打牌、撲克、女王、紙牌、鏟
資料來源：openclipart ( https://openclipart.org/ )