When Harry Potter, Ron Weasley, and Hermione Granger visit 12 Grimmauld Place during the Horcrux hunt following the Luchino Caffe Duel, they find the troll-leg umbrella stand knocked over, possibly done in the Order's haste to evacuate the building after the Secret-Keeper, Albus Dumbledore's death, or when Severus Snape entered and searched the building.