(Modern London, historical setting, or a specific city?)

He had gotten exactly what he asked for: he was no longer the head of the department, and he certainly had no more debts to pay. He was going to a place where his needs would be provided for, and where Elena could never find him. A prison cell.

"It’s Spanish," the clerk muttered. "Belonged to a man who won the lottery and died the next day. Tragic." Mark laughed and bought it for five pounds.