Vase Hand-turned in white clay. Matt black, white, red, green and yellow glazes. This geometric vase is in white clay and consists of four pieces resting one on top of the other. Two round, red parts make the base and mouth of the piece, while the body is a black and white upside-down conic shape with a yellow sphere on top. This striking piece was designed in 2005 for Bitossi by George J. Sowden as part of a limited series of 299 objects