The international art market is a money laundry whose details are in the Panama Papers
by Cory Doctorow from on (#19TER)
If you've got $50M you need to hide, and want to be able to move around invisibly, what better way than to buy a painting through a secret, numbered offshore painting, stick it in a vault in Basel, whence you can liquidate it, retrieve it, and move it on a moment's notice. (more")