Fascimile

Telephone xxx.xxx.xxxx
Toll Free x.xxx.xxx.xxxx
Fascimile xxx.xxx.xxxx
-- Official Receipt For Income Tax Purposes from BC Cancer Foundation, Tuesday July 24th 2007

According to this blog post, Typos are begotten of various reasons, ... a third having to do with a plethora of similar words where the troublesome letters are reversed. The last seems to be what is going on here. This word is both written and pronounced exactly the way it sounds, but the eyes and ears may have trouble telling it to the hand. Merriam Webster contains approximately three dozen words beginning with faci– and about the same for fasc–. However, there is only one word beginning with facs—and that's facsimile.