Burglars broke into a mini-supermarket and got away with boxes of cash.
The Co-op store in Watford Road, Chiswell Green, was targeted at around 11.50pm on September 15.
It was reported that locks and shutters were damaged to get inside the shop.
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A number of items were stolen, including cash boxes, before the burglars made off in a small silver hatchback vehicle along Chiswell Green Lane.
The suspects are described as being three white males, who were all wearing dark coloured tracksuits and black gloves.
PC C-Jay Callaghan said: “Our enquiries are continuing at this time, including a review of CCTV footage in the area.
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“Alongside this, I am appealing for anyone who may have seen the incident to please get in touch.
"Did you see a small silver vehicle in the area around the time? Perhaps you caught footage of it on a dash cam or doorbell camera?"
Anyone with information can email C-Jay.Callaghan@herts.police.uk or call 101, quoting crime reference 41/74819/22.
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