• The 2009 United States Mint Silver Proof Quarter Set contains 6 coins, each bearing the “S” mint mark of the United States Mint at San Francisco.
  
• The coins are as follows:

• 6 Quarter-dollar coins* (honoring the District of Columbia and the five U.S. territories: Puerto Rico, Guam, American Samoa, the U.S. Virgin Islands and the Northern Mariana Islands)

*The six quarters are struck in 90% silver.