"I think so. Two of the Horcruxes we know about belonged to two of the Founders, Salazar Slytherin and Helga Hufflepuff, so I think there’s a good chance that one of the other ones might have belonged to Godric Gryffindor or Rowena Ravenclaw. I think Ravenclaw is more likely, because Voldemort would have difficulty using dark magic on a Gryffindor artifact – they’ve always been very well warded against it. Now, all that being said, when I was repairing the vanishing cabinet, a lot of my time in the Room of Hidden Things was spent venting my frustration on whatever objects happened to be nearby, kicking them, throwing them, whatever. A couple of times, I got stung doing that, as some random candle holder might have had an old curse on it. There was one thing, though ..."