How to retrieve coin:<br>Step 1: Go to Germany<br>Step 2: Tell their president that the prime minister of England made fun of them<br>Step 3: Start WW3 (or at least a war between German and England)<br>Step 4: Wait until the building is bombed<br>Step 5: Dig there and retrieve coin<br>No suspicion will be placed on you since it isn't you that blew up the building.