Do you know who this man is? If so, Lincolnshire Police want to hear from you.
Lincolnshire Police has released a CCTV image of a man suspected of stealing a purse from Lincoln Central Library.
The incident took place at around 3pm on June 13. The suspect took the purse from a table top and left the building.
Anyone with information can call Lincolnshire Police on 0300 111 0300.
You can also give information on criminals operating in your area anonymously to independent charity, Crimestoppers, on 0800 555 111.