While often viewed as a novelty, the U.S. $2 bill possesses a surprisingly extensive history and a array of special varieties. From the Series 1918 note, printed during World War I, to the modern Series 2006 designs, https://unitedstatesofamericacoi656799.wikicorrespondence.com/7199852/discovering_the_types_a_guide_to_u_s_2_notes