What font is used for the file extensions in mac icons? The fonts on one of our macs have become corrupted. I was able to fix most of the problem by copying across a non-corrupt version of Lucida Grande from another Mac. However, the font used to display the file extension on the icons remains corrupted.

The image below shows a non-corrupted version of what I am referring to:



What font is used to display the filetype in the above image?
I suggest trying the Helvetica Neue and Avenir families, as Apple uses them elsewhere.