If they are Romain’s posters, some can be found at the following website:
http://www.comicstore.fr/affiches-et-plaques-metalliques/50545-meeting-de-la-ferte-alais-2010-r-hugault.html

Romain has also had a stand at Legends the last few years, and if you visit at the right time he is there to sign posters and books etc.
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