Shortly after 8.20pm on Sunday 27 November 2016 three men, one armed with a knife and one with a crowbar, entered the One Stop Shop on Lostock Road in Davyhulme.
Two of the men climbed over the counter and stole the cash box, whilst the man with the knife waited at the door. All three then fled in the direction of Sandgate Drive.
Detective Constable Gray Wilton of GMP’s Trafford Borough said: “These brazen thieves targeted a small shop and used weapons to threaten staff with.
“I would urge anyone who saw these men shortly before the robbery or perhaps fleeing afterwards, to get in touch.
Anyone with information is asked to contact police on 101