... it's possible ! Well at least in France
In 2005, they had a booth at the first official french Star Wars convention. And every year, they attend several french comics conventions such as "Quai des Bulles" in November :
Here's a video of their booth where you can catch a glimpse of new products such as Blacksad bust, Bragon bust, Probe Droid etc ... :
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And you can see more pics in Attakus blog :
Preparing the booth
Day 1
Day 2
Day 3