A shopkeeper was forced to hand over tobacco and alcohol at knifepoint in a brazen daylight robbery.
The member of staff was told to hand over the products while being threatened with the weapon at a convenience shop last month.
Police are investigating and have identified a man they wish to speak to.
A spokeswoman for Sussex Police said a man threatened the shopkeeper in East Grinstead Food and Wine in London Road shortly before 9am on July 27.
The shopkeeper was shaken but uninjured, the force said.
A Sussex Police spokeswoman added: "Officers investigating the robbery would like to speak to the man pictured as they believe he has information that could help with their enquiries.
"Anyone who recognises him, or who has any other information relating to what happened, is asked to contact police online or by calling 101 quoting serial 380 of 27/07."
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