Thieves attempted to steal a shopping trolley from an 83-year-old Gainsborough woman.
She was walking along Bayard Street at 3pm on November 2 when a man ran up behind her and tried to grab her trolley.
Two other males shouted to the offender and all three men left empty handed along Forster Street towards Ackland Street.
A handbag belonging to the woman was inside the shopping trolley.
Lincolnshire Police are now urging anyone who recognises the two men pictured in CCTV footage to contact them.
Anyone with information about the incident is being urged to contact the force on 101, quoting incident 97 of November 11.