A warning has been issued by police after counterfeit notes were found in circulation in Penrith.
The incident which sparked the appeal took place between September 23 and 24.
Businesses are asked to pay particular attention to all currency that they receive.
All concerns regarding counterfeit money should be reported to police via https://orlo.uk/y2HdP or via 101.
Always dial 999 in an emergency or if a crime is in progress.