Heading : Irish covered Jar or Urn
Period : George IV 
Origin : Ireland , Cork of Dublin
Colour : Lead 
Bowl : Bucket - A series of diamond cut panels within gothic arches. Domed cover with the same pattern, and a diamond cut finial. 
Stem : Capstan
Foot : Conical 
Pontil : Star cut base
Glass Type : Lead
Size : 12.5cm height without lid, approx 17cm with lid, 11cm diameter bowl, 8.1cm diameter foot
Condition : Excellent, no chips or cracks
Restoration : None 
Weight: 755 grams 

Reference : Irish Glass Phelps warren plate 69 for an example with identical cutting.