In this undated photo provided by Guernsey's, a New York City auction house, Rosa Parks' Presidential Medal of Freedom is shown.  Guernsey's has been asked by a Wayne County, Mich., probate court judge in Detroit to find a buyer, preferably a museum, university or other institution for thousands of Parks' personal items. Among them are her presidential and congressional medals, a post card from Martin Luther King Jr., and the hat Parks is believed to have been wearing the day in December 1955 she refused to give up her seat to a white man on an Alabama bus, cementing her spot in civil rights history. (AP Photo/Guernsey's, ho)
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