Probably based on this one.
Apparemment, il s'agirait d'une police appelée Gentesque, créée par Paulo Silva : http://luc.devroye.org/fonts-51082.html
Identified font: Gentesque
Edited on Feb 07, 2014 at 14:23 by drf
The font used there is a commercial font, so you'll need to buy it in order to use it.
If you're not too picky, you can use Helvetica as a substitute
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