MOBILE phones and cash were stolen during an armed street robbery in Rubery on January 14.
The incident happened about 7.50pm when three men were walking through the alleyway between New Road and Graham Crescent.
They were approached by three black or Asian men who were wearing dark clothing and had their faces covered.
They were thought to have been carrying knives and a hammer and, after taking the items, they fled towards New Road.
Witnesses or anyone with any information should call 101 or Crimestoppers on 0800 555 111.