Jewellery has been stolen from a home in Knebworth during a break-in earlier this month.
The items were taken during a burglary that occurred between 8am and 5pm on Thursday, October 17 in Stonecroft.
The suspect(s) forced entry to the home, causing damage to a window, and several items were taken from a jewellery box.
PC Ewan White, who is investigating, said: "We are releasing images of these items in the hope that we can trace them and return them to their rightful owners.
"Have you seen the items discarded anywhere or offered for sale?
"I would also like to hear from anyone who was in the area at the time and noticed anything suspicious. Please email me at Ewan.White@herts.police.uk with any information you may have."
You can report information online at herts.police.uk/report, via online web chat at herts.police.uk/contact, or by calling the non-emergency number 101, quoting crime reference 41/87175/24.
Alternatively, contact Crimestoppers anonymously on 0800 555 111 or online at crimestoppers-uk.org.
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