Hermione hooted out another laugh, clapped her hands in excited glee and took the long, thin box from Harry. She had a wild notion for a moment that it might be a new wand, as it looked the right shape, but it wasn't. Hermione opened up the box to reveal an ornate, slender, brilliantly golden key. Rubies were set into the hilt, which was an elaborate Celtic lattice design, and it was very heavy.