An LAPD commissioner's iPhone dropped by Rihanna at a basketball match in Los Angeles has reached bids of $57,000 on eBay.
The lot originally belonged to Steven Soboroff, who asked the singer for a photo after finding himself sat next to her.
After accidently breaking the phone, she donated $25,000 to the LAPD officers fund and signed the back so that it could be auctioned.
Memorabilia pertaining to Rihanna is likely to be a growth market, with this incident indicating that public demand for her signature is high.
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