20/20 Colectors Curses Staff

is there a collector who trades a 20/20 curses staff?

Yes, there is one in the desert and one in the southern shiverpeaks.

Here is a map for both areas
http://members.skill-club.com/TriX/G...rpeaks_map.htm

and here is the desert collector you want
http://members.skill-club.com/TriX/G...-Drakespur.jpg

If you want to know more about collectors and their staffs check www.guildwiki.org. They have a complete collector list.