Finest quality european made dagger, probably custom order for wealthy south american customer or for diplomatic present.
Magnificent, truly presentation grade example - definitely weapon of status.
Gorgeous "gaucho knife" - dagger. 
European, probably german made, circa early 20th century.
Fine, tastefully decorated hilt - clean simple lines.
Magnificent hand forged finest quality complexed blade. 
Stunning etched ornate decoration on both sides of the blade.
Hilt is made of "german silver" (silver color metal alloy of copper, zinc and nickel).
Apparently unmarked.
   size:
About 13 7/8 in. (35.3 cm) long.   
Blade is about 9 in. (22.9 cm) long.
  condition: 
Very good original antique condition with light expected handling marks and charming indication of age. 
Razor sharp uncleaned blade is in very good antique condition with very light wear and minor expected scratches. 
Very light handling marks to hilt.
All 100% original, no repairs.