Earth on Top Ocean BV AC-24" by Bertil Vallien for Kosta Boda is a handmade and unique piece of art glass. Bertil Vallien, a well-known Swedish glass artist, is known for his imaginative and thought-provoking works that often explore the themes of life, death, and existence.Kosta Boda is one of Sweden's oldest and most prestigious glassworks, and the collaboration with Vallien has resulted in many fantastic and collectible works of art. "Earth on Top Ocean" is probably one such work of art that unites his sense of form, color and storytelling through glass.If you would like more information on this particular piece of art, I recommend visiting a Kosta Boda retailer or checking their website for more details.