Knife in the shape of a fish

Predynastic Period, C. the 5th or the 4th Millenium B.C.
 
Beautiful and rare knife blade in hte shape of a fish. It mayebe comes from the archeological site of Abydos. 
 
Silex.
Lenght : 9,3 cm.
 
Provenance : previous private French collection of Lyon.
Ref. : HA-100