Police are appealing for witnesses to a burglary at a property in Kingsway, Burgess Hill, where a large haul of jewellery was stolen between 11am and 4pm on Tuesday, 6 August.
Police are interested in any sightings of a man seen in Kingsway on the day of the burglary.
He is described as white, aged in his early to mid 30s, 5ft 6in with short hair.
He may have a connection with a blue saloon BMW car.
Any witness or anyone with information is asked to call 101 quoting serial 1057 of 6/8.
Alternatively, call the independent charity Crimestoppers anonymously on 0800 555 111.