One of the unique things about the system of U.S dollar is that all bank-notes are in the same size. It is the only country in the world to have this type of system. In a further amount of the note goes up, as does the value.
There are also dollar coins. Some of them are silver and some gold. Vending machines often give dollar coins as change, since it is easier for the machine to provide coins from paper money. Some of the more advanced machines give out paper money as a change. Paper dollars are much more common in US than dollar coins. There are 100 cents in one US dollar.
Below you will find the US Dollar PNG images available in high-quality backgrounds.
Download Dollar PNG images transparent gallery.