But on 10 July 1941 , a phosphorus bomb hit his house and destroyed the casket with its contents .
Crumbach , then Master of the Treasury secured both objects in his cellar during the bombing of the city .
On 10 July 1941 , a phosphorus bomb hit Crumbach 's house and destroyed the casket with its contents .
Crumbach , then Master of the Treasury secured both objects in his cellar during the bombing of the city .