The majority of Berber swords that I have seen have a tip that resembles somewhat the bow of a ship . Perhaps a search of the forum will reveal one or perhaps a Google image search will turn one up . I know that they are pictured in Tirri's book .
Good luck in your search .
Rick
Ahhh , found one !
http://www.oriental-arms.com/item.php?id=91
I would strongly suggest that you peruse the sold items gallery here to see a plethora of moroccan weapons .
http://www.oriental-arms.com