Repaired King Tut Mask Back on Display in Egypt - The New York Times

 It might have been a disaster but actually it gave an opportunity for further study.

 

Repaired King Tut Mask Back on Display in Egypt - The New York Times: Luckily, the damage appears to have been reversible after all.

Egypt’s antiquities minister, Mamdouh el-Damaty, told reporters on Wednesday that the mask was repaired by a joint German-Egyptian team that studied the best ways to remove the epoxy and reattach the beard.