At around 3.15pm on Thursday 16 January, the victim, a woman in her nineties, had her handbag stolen from her stroller whilst at the Brunel Shopping Centre.
The bag contained her mobile phone, money and other valuable items.
Police believe the women in this image may have vital information that would help the investigation.
Investigating officer, PC David Smith, based at Bletchley police station said: “If you recognise these two women, or if you believe it could be you, please get in touch by making a report online or call 101 quoting reference 43200017666.
