The precious item was in Kirsty Baldwin's handbag which was snatched from her car by a man at a motorway service station.
It contained an iPad, a large amount of cash in euros, a purse containing a memorial card and the hair - the most treasured item taken.
Police Constable Cherie Castle, of Greater Manchester Police's Rochdale district, said:"Robbery in any circumstance is particularly distressing but Kirsty and her family have been left devastated.
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