Thieves made off with necklaces, rings and jewellery after entering a house through an unlocked back door.
Police have released images of some of the items stolen from the home in Glenlyn Avenue, St Albans, on Saturday, June 30.
Police are now appealing to the public to find out if they saw anyone acting suspiciously in the area between 2pm and 11.30pm or were offered any items for sale that match the images.
Anyone with information should email Detective Constable Ayodeji Afolabi on ayodeji.afolabi@herts.pnn.police.uk, report online at https://www.herts.police.uk/Report
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