At midday on February 3, a property on Cemetery Road, Barnsley, was broken into and jewellery was taken.
The suspect is understood to have left behind a rucksack.
Police believe the man pictured could hold vital information and are appealing for him, or anyone who recognises him, to get in touch.
Anyone living in the Cemetery Road area who heard or saw anything suspicious is also asked to contact police.
You can phone 101 quoting crime reference number 14/28357/20. You can also give information anonymously to independent charity Crimestoppers on 0800 555 111.