Finest quality - definitely weapon of status made by master silversmith. 
Very fine, presentation grade solid silver mounted gaucho knife - dagger. 
Argentina, circa 20th century.
Stunning hand chased decoration on hilt and scabbard, superb crisp details.
Marked on the blade with maker's mark. 
Marked on scabbard: "ind. Argentina, 800" and maker's mark
Guaranteed solid silver  800/1000 silver standard (lower than sterling).
 Size:
About 12 7/8 in. (32.7 cm) long in scabbard.
About 11 3/4 in. (29.9 cm) long out of scabbard.   
Blade is about 7 1/16 in. (17.9 cm) long.
  Condition: 
Very good original condition with minor expected wear and charming indication of age. 
Light handling marks, dings and scratches. 
Few minor dents to silver scabbard and hilt.
Sharp blade is in very good condition with light scratches, very shallow pitting and old stain marks - all can be easily polished off if desired. 
Exceptional example of very fine quality.