Jewellery and cash were stolen during a raid of a house in Barnsley.
A house in Hall Royd Walk, Silkstone, was broken into between 12.30pm and 3pm on Monday, November 5.
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Photographs of some of the stolen jewellery have been released by South Yorkshire Police in a bid to trace the items and the thief.
Anyone with information should call South Yorkshire Police on 101 and quote crime reference number 14/162061/2018.
Crimestoppers can also be contacted, anonymously, on 0800 555 111.