He risks just up to 6 months imprisonment, a ridiculous sentence, giving that those tusks are just a tiny fraction of the annual revenue of the trafficker.
He was arrested in Libreville by the Intervention Brigade of the Judicial Police, assisted by the NGO Conservation Justice.
Gabon is just pretending to care about its elephants. Without a new law and more effective law enforcement, the elephants there are doomed.
http://en.gabonews.com/en/environment/items/id-33-kilos-of-ivory-seized-in-libreville.html
In the picture the dealer after the arrest.