Manx banknotes worth just a few pounds could fetch up to 10 times their face value this weekend.
Chrystals auctioneers are hosting a sale of collectibles at their Allan Street saleroom on Saturday from 10am.
Among the lots are a collection of 50p and £1 notes.
It's estimated they could fetch up to £40 during the sale.
Crogga still owes the Isle of Man Government money
DoI says works at Liverpool ferry terminal will take longer
Over 50 employment tribunals outstanding at the DoI
Free period products bill raises cost concerns for MHKs
Key road in Ramsey to re-open early this afternoon
Want to start training to become a nurse?
Appeal launched after fly-tipper filmed dumping rubbish
Prepare your pets for Bonfire Night, says Manx charity