Officers would like to speak with this man in connection with the theft of cash from Morrisons, Retford.
A customer reported the offence after leaving the cash behind whilst at a self-service checkout on June 22.
The man sought is described as white, aged about 20-25, of slim build and about 6ft tall. He was wearing a cap.
If you recognise the man pictured or you can help, call Nottinghamshire Police on 101 or Crimestoppers on 0800 555 111.