Magnificent, truly exhibition quality - definitely weapon of status.
Presentation grade solid silver / 18k rose gold gaucho knife - dagger. 
Argentina, circa early 20th century.
Richly decorated solid silver hilt and scabbard with applied heavy gauge 18k solid rose color gold accents.
Very fine hand chased trompe l'oeil style decoration: realistic details imitating hand woven hay pattern.
Top quality real fighting steel blade with maker's mark on one side. 
Marked "800" on scabbard (indicates 800/1000 silver standard, lower than sterling). Also marked: "industria argentina"
Guaranteed solid silver with applied solid 18k gold decoration.
   Size:
About 11 1/2in. (29.2 cm) long in scabbard.
About 10 5/8 in. (27 cm) long out of scabbard.   
Blade is about 6 3/8 in. (16.2 cm) long.
  Condition: 
Very good original vintage condition with minor expected wear and charming indication of age. 
Very sharp blade is in good condition.