Kosta Boda Bertil Vallien Artist Collection Bowl Art Glass Sgraffito Nice! Kosta Boda glass bowl, signed Kosta Boda, Artist Coll, B Vallien, 58817 (for well known glass artist Bertil Vallien). This is a bit different from the Satellite series -- 6 3/4" diameter, 5 1/2" h. Auctiva offers Free Image Hosting and Editing.The item "Kosta Boda Bertil Vallien Artist Collection Bowl Art Glass Sgraffito Nice" is in sale since Monday, April 2, 2018. This item is in the category "Pottery & Glass\Glass\Art Glass\Scandinavian\Kosta Boda". The seller is "gneissguise" and is located in Evanston, Illinois. This item can be shipped worldwide.