The Matthew Mint's 2011 Tenth Anniversary Tribute 9/11 Half Dollar Set of 4 is a commemorative collection that pays tribute to the heroic efforts of firefighters and rescue personnel during the 9/11 attacks. Made in the United States by the reputable mint maker, this set includes four half dollar coins featuring designs that reflect the theme of firefighting and rescue. This product serves as a meaningful and collectible item for those who appreciate historical memorabilia related to this significant event in American history.