The sale was arranged via Facebook marketplace.
A local was duped into selling a mobile phone for fake cash.
The incident occurred last Monday at around 12 noon outside Supervalue on the Dublin Road in Celbridge.
After making the exchange, the buyer fled the scene, leaving the seller with a number of fake €50 notes.
The sale was arranged via Facebook marketplace.
Gardai have advised locals to be careful when selling items online.

Celbridge Woman Anne Ebeling Named Kildare Family Carer Of The Year
Kilcullen's Nolan Butchers Wins National Retail Business Award
Kildare Residents To Join Dublin Protest Against Data Centre Developments Today
Kfm Obituary Notices
Unsafe Disposal Of Nitrous Oxide Canisters A "Major" Issue, According To KCC
Kildare Represented By Three Teams At National Bowls Competition
National Parents Council Conference Taking Place In Kildare School This Weekend