The Guam Quarter was the third design released in the
Mint Issue Price: The Proof District of Columbia and U.S. Territories Quarters were sold in a Proof set consisting of all six different 2009 Proof Clad Quarters. The sets were first offered on the U.S. Mint web site on January 05, 2009 at Noon (E.T.). Each Clad Proof Set was priced at $14.95 each.
The Mint also offered Silver District of Columbia and U.S. Territories Quarters in a separate set.