Here is a nice and inexpensive Hamatolenus vincenti from the Jbel Wawrmast fm..
The typical macro pleural segment is well visible

This is a double specimen featuring two trilobites of the genus Kingaspis from the Jebel Wawrmast Formation. 

This is a trilobite of genus Kingaspis from the Jebel Wawrmast Formation of Morocco.

Here is an authentic specimen of a Morocco trilobite of the genus Kingaspis from the Middle Cambrian of Jebel Ougnate.
 

Here is a trilobite of the relatively rare species Kymataspis arenosa from the Jebel Wawrmast Formation of Morocco. 

This is an affordable specimen of the Moroccan trilobite Hamatolenus vincenti from the Jbel Wawrmast Formation.