Nice peace Tim,  quite common though.. 
Thats one of the famous ones made by G Wostenholm in Sheffield, one of a serious of 6 i recall? {as I said earlier, my learning has moved on.}  
 
 
You didnt buy it? I am speachless.   Each to thier own I guess.  
 
 
Heres another one....
 
 
 
 
From.
linky
Have a look at the price Tim.  

   With a proper discription the seller would have done well.
But surely to my mind a dagger with a satanic theme should be called a "satanic" dagger with a Mohican theme should be called "Mohican"?
One with flowers all over it would be called "floral"?
No one in this thread has refered to them as a ritual knives, that thread was last year...  
 
 
Spiral