Thames Valley Police is appealing for witnesses after a robbery at a petrol station in Bourne End, High Wycombe.
The robbery took place at 8.30pm on Sunday February 15 at the BP garage in Bourne End, High Wycombe.
Two men made forecourt shop staff empty cash tills before leaving on foot with a quantity of cash.
The first suspect is white, in his twenties and was wearing a dark scarf which was wrapped around his nose and mouth. He was also wearing blue denim jeans, black trainers with white trim and a blue coat with silver buttons which he wore with the hood up.
The second suspect, who guarded the door throughout the robbery, was wearing cream coloured trousers, brown shoes and a grey hat under the hood of a black coat.
Anyone with information about this incident, or who may have seen two men matching these descriptions, should contact investigating officer detective constable Kim Twaite, of High Wycombe CID, via the 24-hour enquiry line 101 or the independent charity Crimestoppers on 0800 555111.