The Police were called to the Old Moor Lodge, in Mornington Crescent, Nuthall at about 1am on Thursday 4 September 2014.
The men broke into the pub and used a knife to threaten staff.
They made off with money from the safe and a handbag before fleeing on foot.
No one was injured although staff were extremely shaken. Both men have been described as black and wearing dark clothing.
They spoke with local accents.
Did you see anything? Do you know about the theft? Any investigation could help the investigation. Please call Police on 101 referencing incident 29 of 4 September 2014.