Collectors grade rare item. 
Unusually large and super heavy.
Exceptional quality sulver mug / tankard.
South american, probably peruvian or colombian. 
Spanish colonial period, circa 18th century. 
Entirely hand wrought and hand made with meticulous attention to small details.
Beautiful original period initials engraved at the bottom: "m.w.".
Guaranteed solid silver - 900/1000 or higher silver standard. 
   Size:
About 4 3/4 in. (12.1 cm) high at the handle. 
About 3 1/2 in. (9 cm) diameter at the top. 
  Weight:
Extrimely heavy: 13.3 troy oz (413 grams).
  Condition: 
Very good original antique condition with normal charming indication of age.
Expected handling marks, dents and scratches.
No repairs.
Superb example - all 100% original, nothing was changed or altered.