The 10 strangest things that have been used as money around the world

parmigiano reggiano

Flickr/Matt Lewis

Parmigiano-Reggiano is accepted as a collateral for loans in Northern Italy.

Unusual items have been used as currency in different countries around the world for hundreds of years.

While some of these alternate currencies were implemented as temporary measures, others are still in use today.

Price comparison website recently put together a collection of 10 unusual items that have been used as currency around the world, from bricks of tea in China to large stones on the island of Yap.