Related icons are the icons with matching tags, as well as all finance icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors
This is a picture of a note or paper with two lines (the one on top being twice as long as the one on bottom). It has a grid of sorts between the lines, in the middle of the paper. It seems to show a report or graph.
An invoice icon. Works for a receipt an similar stuff too.
Idea of Invoice Icon by Anonymous
We've received the idea on April 23, 2012 and created the icons on May 09, 2012