There is no key to the chest, and it never opens. It is a distraction.
On The Country Side Of Counterfeit Island
just click the top right corner
the chest is just a distraction
go to the paint splotched painting and click in the upper left hand corner
I forget but I think the lady in the museum gives the key to you...
If you mean on Counterfeit Island, the inspector's house is all the way to the left. Keep going left until you reach a large house.
to get the key for the chest in the inspectors room you have to go to the mine and their is an invisible box some were step on it then go to the place were you batted the black widow Gavin kyle Pereira
There is no key to the chest and no way to open it. It is just a distraction. (The actual item in the house is the gaudy painting on the second floor.)
It doesn't have a key, it's there to distract you; you don't need to open it.
There is no key to the chest.
Um. Use it to go inside. Ignore the chest, as it has no key. Check the painting on the second floor.
In the Inspector's house, ignore the chest because there is no way to open it. Go to the painting on the second floor and peel back the corner.