In case the buyer wishes this act of integration of the work of art with himself to take place, Yves Klein must.... plus two witness, throw half of the gold received in the ocean, into a river or in some place of nature where this gold cannot be retrieved by anyone. From this moment on, the immaterial pictorial sensitivity zone belongs to the buyer absolutely and intrinsically.

p. 207 - 'Ritual for the Relinquishment of the immaterial Pictorial Sensitivity Zones', Yves Klein, 1957-59