StackBill is a versatile and stackable typeface with a geometric structure. It has three different layers which you can combine on multiple ways. There's a regular, inline and back style. Billmoney is part of the Stackbill family and is available as a free sample.
http://www.regularbolditalic.com/fonts/stackbill
You may use the font for your personal work. The license also allows any web font embedding, Flash embedding, or CSS embedding.