A £1000 reward has been put up after burglars stole thousands of pounds worth of jewellery from a house in Royston in Hertfordshire.
Police have released CCTV images of the offenders, who broke in to the house at about 10.15pm on Sunday 1st April 2012.
They stole a number of items, including a military medal from 1941 and a 1922 gold pocket watch with an enamel face engraved with "EPP". Seven Georgian snuff boxes and a gold Vesta matchbox were also taken during the raid.
Police are asking anyone with information to come forward
– Detective Constable Colin Troll, Cambridgeshire Police
"Many of the stolen items are very distinctive and were of huge sentimental value to the victims.
"I would urge anyone who has any information about who is responsible, or has been offered the items for sale, to call the police."