1.  The dollar is the principal unit of American currency.

2.  American currency is the exclusive domain of dead politicians.

3.  And little girls still break your heart by tugging at your shirt, pleading for American currency in exchange for a packet of Chiclets.

4.  And when their social studies peers teach lessons on American currency, they can mention its roots in the Spanish peso.

5.  But many analysts think the American currency still has room to rise.

6.  But the market remained bearish about the prospects for the American currency.

7.  He was arrested by US Treasury agents for printing and distributing fake American currency with his picture on the bills as campaign literature.

8.  In one memorable story, Boris and Natasha sabotaged the United States economy by counterfeiting that most fundamental of American currencies, the premium cereal box top.

9.  In response to these hardships, Castro is promoting tourism and has legalized the use of American currency.

10.  Indeed, she says, she had not seen any type of American currency until recently.