True "attic find" - uncleaned, untouched, unaltered example.
Good antique silver mounted arab jambia dagger.  
Yemen or saidi arabia, circa early 20th century. 
 Silver mounted grip and leather-over wood scabbard (probably low grade silver - we can't guarantee purity of silver metal). 
Grip is made of domestic animal cattle h0rn and set with iron nails.
 (domestic cattle h0rn, mentioned to comply with ebay policy).
Cattle is a large domestic farm animal kept for their milk or meat. This animal is not threatened or endangered or protected by cites, the endangered species act, or any other state, federal, or international laws. 
Gold color discs with arabic writing on front of the grip (probably gold plated).
   Size:
About 12 7/8 in. (32.7 cm) long in scabbard (straight line). 
About 12 in. (30.5 cm) long out of scabbard.  
Blade is about 8 7/8 in. (20 cm) long.
  Condition: 
 Original uncleaned antique condition with expected handling marks, honest wear and charming indication of age.
Some worms damage to h0rn grip - doesn't affect functionality.