A Revolver
The person who found this gun was shocked so they handed it in to the police. The gun didn’t even belong to the previous owners of the house, it was actually stolen and hidden in the house by a burglar.
A WWII Bomb
When a person found a WWII bomb on their property, they were shell shocked. They were worried it would explode, so they decided to call a bomb squad, who then safely removed it and later detonated it in a range.