This US 1940 WWII War American Committee Olympic Helsinki Set 3 MNH is a valuable addition to any stamp collection. The set includes a variety of stamps featuring the Olympic Games and the American commitment to the war effort. The stamps are in excellent shape, with no hinges or cancellations, making them a great find for collectors. In addition to the Olympic stamps, this set also includes a variety of other US back of book stamps from 1840 to 2014. These stamps are perfect for collectors interested in military and war-related topics. With their unique design and excellent quality, this set is sure to be a valuable addition to any collection.