A set of collectable coins and computer equipment have been stolen during two burglaries in Llanrumney.
Two homes in Ilfracombe Crescent, Llanrumney were broken into on Friday 8 July.
Police are appealing for assistance in identifying three males who were seen leaving the second of the two properties.
One of them had a tattoo on the left side of his neck, under his ear, which appeared to be letters. He is described as white, 5ft 7in to 5ft 10in tall, slim, with dark short hair and aged in his mid-teens. He was with two other males.
One is described as being of mixed race appearance and 6ft 3in tall.
The other was white, slim, in his late teens with short dark hair.
Anyone with information on these individuals or the whereabouts of the stolen property is asked to contact Rumney CID on 02920 774233 or alternatively Crimestoppers anonymously on 0800 555 111.