National Park Quarter Foam Map Author:Whitman Publishing Display your National Park Quarter collection in this educational collector s map. Special "push-fit" foam makes it easy to insert your coins, openings for all 56 National Park quarters. Big 13.2" x 39.75" Foam construction is inert and safe for your coins. The National Park Quarters Coin Act of 2008 requires quarters, beginning in 2010, to have... more » designs on the reverse depicting one national site in each state, the District of Columbia, and the five territories of the United States. Fifty-six (56) different quarters will complete the program from 2010 through 2021. Color.« less