24 Cobalt blue blown floor vase marked with etched Blenko 2002. Listing and template services provided by inkFrog. The item "Large Blenko Vase 24 Cobalt blue blown floor vase etched mark Architectural" is in sale since Wednesday, February 7, 2018.This item is in the category "Pottery & Glass\Glass\Art Glass\North American\Blenko". The seller is "smco" and is located in Jaffrey, New Hampshire. This item can be shipped worldwide.