Take your icon game to the next level. Check out Fonticons, from the maker of Font Awesome.
             

fa-gbp · Unicode: f154 · Created: v3.2 · Categories: Currency Icons

After you get up and running, you can place Font Awesome icons just about anywhere with the <i> tag:

fa-gbp
<i class="fa fa-gbp"></i>

Looking for more? Check out the examples.