You Call That a Knife?

Details
Client: Mhebi Juhbily (Near Mihgo's Residence, Kazham) [I-10]

Walkthrough
You need two people to trigger this quest.

Person 1 needs to offer Mhebi a sandfish
Person 2 examines the ??? on the shed behind her.
If you do this at the same time, you'll recieve the full quest.

Talk to Vah Keshura (H-9).

You need a Tonberry Board dropped from Tonberry Shadower (Lv.61-63) or Tonberry Pursuers (Lv.61-67)
Now travel to the Evil Kitchen in Temple of Uggalepih, and trade the board to chef to get the key itme: Nonberry's Knife.

Head back to kazham

Reward
7200gil