Large size - fantastic quality precious weapon.
Very fine pesh kabz or large kard dagger - definitely indication of wealth and high social status.
Afghanistan or central asia - bukhara, circa 19th century.
This type of daggers were used from northern india (now pakistan) throughout afghanistan and central asia - bukhara, kokand, khiva (now uzbekistan). 
Fantastic gold koftgari decoration on blade and hilt mounts, all parts made using top quality expensive materials. 
B0ne grip panels (made of domestic cattle b0ne, 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. It is legal to sell this item and this listing follows ebay rules.
Hand forged razor sharp blade with fine gold koftgari decoration - crisp details.
Stunning damascus steel uncleaned blade.
Precious "black wootz" steel (also known as "kara taban" or "kara kharassan" ), intensive high contrast watered pattern throughout entire blade - would benefit from professional etching and polishing. 
Original leather over wood scabbard with silver drag. 
Removable leather suspension strap (working life period addition).
Highest quality workmanship throughout, all parts 100% original.
  size:
About 21 1/4 in. (54 cm) long in scabbard.  
About 20 in. (50.8 cm) long out of scabbard.
Blade is about 14 3/4 in. (37.5 cm) long.
   condition:
Very good original antique condition with honest field wear and charming indication of age. 
Razor-sharp uncleaned blade is excellent.
Scabbard is in serviceable condition with noticeable wear to original leather, exposing wood at small spots. 
Old, working life period repair to leather just above silver drag.
Expected tight stable age cracks and age patina to grip panels, minor chips.
Superb, 100% original, unmolested, unaltered example - pictures don't do justice - absolutely stunning weapon!