Phone Detective Sergeant Darryl Moore on (06) 211 3726 or anonymously call Crimestoppers on 0800 555 111 if you have information about the robbery.
Police are offering a reward for any information provided through Crimestoppers that leads to a successful prosecution of offenders in aggravated robberies as part of the "There's nothing good about stolen goods" campaign.
To be eligible for a reward you will need to provide your details to Crimestoppers when you call.