NSW residents have been warned to be on the lookout for counterfeit cash after police seized $2600 in fake notes.

The notes were handed to businesses in the state's Hunter Valley region at businesses in Cessnock, Kurri Kurri, Muswellbrook, Scone, Singleton, Blandford, Cliftleigh, Glendon, Merriwa and Middle Falbrook between May and this month.

Police are now investigating the source of the notes.

Police have urged people to be aware of the signs of a fake note.

If you suspect you have counterfeit cash in your possession, it is important to feel the note as genuine cash is printed on special plastic polymer and is difficult to tear, officers said.

A telltale sign of a fake is if words such as "prop" or "specimen" mark the note.

You should also hold the note to the light and look for

See Full Page