FILE PHOTO: A 2007 Canadian $ 1,000,000 Big Maple Leaf

FILE PHOTO: A picture taken in Vienna, Austria on June 25, 2010 shows experts of an Austrian art forwarding company holding one of the world’s largest gold coins, a 2007 Canadian $ 1,000,000 “Big Maple Leaf”. An identical coin was stolen from Berlin’s Bode Museum on March 27, 2017. REUTERS/Heinz-Peter Bader