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Lot Essay
'His delight in experiment led him at an early stage to try out various materials such as sand, salt and so on together with oil paint ... He went on developing the structure of his surfaces until he reached bas-relief, working with mixtures of this kind not only on prepared canvas but on paper as well' (U. Krempel, Exhibition catalogue, Jankel Adler, Dusseldorf, Kunstalle, 1985, p. 192).