Where can you see this Famous Painting?

 Not easy, if you do not know the Name of the Painter, nor where on this Planet Earth this Museum is situated. Photo taken with my iPhone. So please excuse med for the quality of the Photo.

One Clue: Capital 

Some of my readers did answer very close last week. The Premium for the most correct answer is still to be drawn. It's worth more than €50. The value is still more the doubble.

Need a clue? CLICK

More WW people around the Globe here.