What currency is that?

Question

http://media3.washingtonpost.com/wp-dyn/content/photo/2007/07/24/PH2007072402207.jpg

What is the currency of the bills at the end of the stack?

Answer 1

Mexican pesos. From left to right, the first 9 or 10 stacks are 500 pesos notes, then 7 stacks of 1000 peso notes, 1 stack of 200s and 2 stacks of 100s.

Here is the caption for the photo:
206 million US dollars found in drug dealer's house in Mexico

The Mexican president said this could be the biggest drug bust in the world. Police found $206 million US dollars in cash, stashed in a room stuffed up to the ceiling. Here is an actual picture of the 206 million dollars