Barter
In a barter system, individuals possessing something of value could exchange it for something else of similar or greater value.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Olaus Magnus - On Trade Without Using Money."
https://commons.wikimedia.org/wiki/File:Olaus_Magnus_-_On_Trade_Without_Using_Money.jpg
Wikimedia
Public domain.
