In an undated photo provided by Guernsey's, a New York City auction house, Rosa Parks' keepsake folio and a postcard from Martin Luther King Jr., are 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 postcard 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)