Cash, alcohol and cigarettes were stolen during a knife-point raid at a South Norwood off-licence.
Detectives today launched images of two men they want to speak to in relation to the February 4 robbery on Penge Road.
Detective Constable Billy Clough is investigating the raid, which happened at around 8pm.
He said: "I would urge anyone who might recognise either of these people to contact us as soon as possible. The victim was threatened with a knife during this robbery, so we are keen to get any information that will help us to bring those responsible to justice."
Anyone with information can call Crimestoppers on 0800 555 111 quoting the relevant reference number from the image.
