Investment grade - absolutely beautiful piece of european art silver.
Magnificent antique solid silver wine cooler / champagne bucket. 
Breathtaking quality hand chased repousse decoration - iris flowers. 
Art nouveau style.
Super fine crisp naturalistic details.
One flower is applied.
Realistically cast handles, just stunning! 
European, german, circa late 19th century.
Marked under the base with german hallmarks (guaranteed solid silver, 800/1000 continental silver standard - lower than sterling).
Makers mark for gustav memmert.
Bruckmann & sohne retailer's mark. 
Also marked with austrian import silver mark for 1891 - 1901 period (item was imported to austria).
Size:
  about 11 in. (27.9 cm) tall and about 9 in. (22.9 cm) wide at the top. 
Weight: 
  about 50 troy oz. (1570 grams).
 Condition:
   Excellent original antique condition with minor charming indication of age. Very (very!) Minor expected dings and scratches, mentioned just for 100% accuracy. 
No monogram or mono removal.
No problems - no repairs. 
Very difficult to photograph item - all dark and light spots you are seeing in the pictures is just a reflection.
Magnificent example of luxury wine - drinking - bar related items.