It's thought to have been taken in Southampton the day before she set sail in April 1912.
Warning After Phone Thefts At Gigs
Police in Bournemouth are investigating several cases of people having their mobile phones stolen at live music venues, in the town.
They've told us a number were taken at an 'Example gig' at the BIC on Monday - Two men have been arrested and bailed.
A 25-year-old man was also arrested and cautioned after several were stolen, at the O2 Academy on Christchurch Road earlier this month.
Detective Sergeant Greg Tucker, of Bournemouth CID, said: "We have received a number of reports of mobile phones being stolen at recent concerts in Bournemouth.
"I would encourage members of the public to make sure their valuables, like mobile phones, are kept as safe as possible when they are in crowded locations like live music venues.
"Make sure your valuables are not easy for thieves to access. For example, don't leave mobile phones in baggy pockets or in a bag that a thief could easily slip their hand into without you realising.
"Also, always use your mobile phone's security lock code if it has one."
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