paper money
folding money
paper currency

Paper currency is perhaps the most common type of physical money today.

At one point, this was true of most paper currencies in the world.

The managers go to their local banks, and turn in change for paper currency.

Significant changes to the design of Canada's paper currency gave it a whole new look that set the standard for the future.

It is true a coin will last longer than a piece of paper currency.

The paper currency also hit the army's morale, since it was how the troops were paid.

Starting from August 15, 1942, no other paper currency could be used except under special permission.

The system arose in a period where paper currency was an innovation.

Why were certain individuals chosen to be pictured on our paper currency?

As people point out, paper currency has declined due to inflation.