The man, who was also wearing sunglasses, threatened staff with a hammer at the Co-op shop on Marple Road, Brooklands, shortly before 8am on August 24 last year.
He demanded cash and cigarettes. No one was hurt in the robbery.
The offender escaped with another man in a waiting Volvo, which was later found abandoned.
Detective Constable April Hopwood said: "Although this robbery happened some time ago, I am hopeful someone will recognise the offender, who was dressed very distinctively. "Robberies such as this put staff in genuine fear and won't be tolerated. "I would therefore appeal to anyone with information to call me."
Call police on 8566180 or Crimestoppers anonymously 0800 555111.
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Showing comments 1 to 7 and replies | View All
Marquis de Sade, isle of man (23/02/2009 at 15:13)
andanotherthing, Mcr (23/02/2009 at 15:29)
Is that the whole of the cctv?
Guten Tag, Deutschland,, Manchester (23/02/2009 at 16:32)
waywardweastie (23/02/2009 at 17:34)
Pitty he wasn't caught on a bear trap.
Hindsight (23/02/2009 at 18:20)
Rob Storm (23/02/2009 at 19:13)
(brilliant post by Marquis de Sade!)
Angry Mike, Middleton (23/02/2009 at 19:16)
Kill em at birth, or at least three strikes and your out