The 48-year-old victim told police two men pointed a pistol at him Monday around 9:15 a.m. at 217 21st Avenue.
He told police one of the suspects was wearing a mask, the other wore a beanie.
Both are described as weighing about 150 - to 180 pounds, and around 5'11".
The men got away with $85.
No other details about the incident were released.