Someone's priceless collection of challenge coins are lost, but the Pottawattamie County Sheriff's Office found them. Now they're looking for who the collection belongs to.Video: Unknown person's ...

DISPUTANTA - Have you ever heard of challenge coins? Maybe you or someone you know has earned one in recognition of extraordinary service. During a follow-up story interview with Three Brothers' ...

Defense Secretary Robert Gates hands a challenge coin bearing his name to a service member at a forward operating base in Kandahar province, Afghanistan, in 2011. Photo by Jason Reed/Getty Images ...

WASHINGTON — Since Bill Clinton occupied the White House, commemorative medallions known as challenge coins have been stately symbols of the presidency coveted by the military, law-enforcement ...

RELATED: 9-year-old Arkansas boy in hospice care wants letters from every state Louie's still in the hospital, and his parents and siblings spend every day there with him. They thought that Louie's ...

WASHINGTON — Since Bill Clinton occupied the White House, the commemorative medallions known as challenge coins have been stately symbols of the presidency coveted by the military, law enforcement ...

Army challenge coins are popular in the United States, and while you are now interested in collecting some, you may not yet know how it started. Curious? Just keep reading! Challenge coins were born ...

Getting your Trinity Audio player ready... For two decades, the commander in chief has doled out distinguished-looking coins as personal mementos. Now, the presidential “challenge coin” has undergone ...