Short Description: John Pirker Maker: John Pirker Collection: Contemporary Canadian Design Application: Powder / Frit Pickup / Cut Ground and Polished Condition: Very Good Shape: Abstract Bottom Finish: Polished Bottom Details: No Markings Source of Origin: Canada Design Details: Designed with a saucer bottom so it pivots/ Blue frit exterior/ White frit interior/ polished window viewing green geode formation Glassmaking Technique: Furnace Time Period Manufactured: 2005 Signed: No Height Inches: 2.0 Height mm: 50 Diameter Inches: 4.5 Diameter mm: 114 Weight Imperial: 1lb 12.1 oz. Weight Metric: 798 grams