are you using the html entity for the pound symbol?
&#+163;
(remove the + sign. I added it because it was being interpreted as html on this site's editor)
http://htmlhelp.com/reference/html40/entities/latin1.html
Also, try adding this to your document's <head>:
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />