Two items that belong to Rogue as shown throughout the show.
Book of Dracula[]
One of Rogue's possessions, is that of the book Dracula which is an in-universe version of the 1897 classic of the same name by Bram Stoker.
Gloves[]
Another include a pair of gloves worn in both her casual attire and X-Men uniform. Rogue wears the gloves so that she does not unintentionally use her powers.