Challenge coins originally gained popularity in the military, but today they're ... A challenge coin circulated within the Phoenix Police Department celebrated a protester being struck in the ...

authorities said their investigation found “the design and manufacture of the coin were coordinated by a former member of the Maryland State Police, who left the Department in 2012.” ...

Military Police in Kingston, Ont., are investigating the theft of $50,000 worth of gold and silver coins. The alleged crime scene? A post office. Five packages containing the coins arrived at the ...

The tokens range from controversial — like the riot police one — to more mundane and offer a window into how members of the beleaguered department see themselves. Challenge coins originally gained ...