Hubertus Butin, Hubertus Butin, Stefan Gronert, Stefan Gronert, Thomas Olbricht (ed.), Thomas Olbricht (ed.), Gerhard Richter, Gerhard Richter, Editionen 1965�2013, Editionen 1965�2013, Ostfildern 2014, Ostfildern 2014, no. 148., no. 148., The present proof, The present proof, signed and inscribed on the reverse in black felt pen, signed and inscribed on the reverse in black felt pen, was executed prior to the edition of 72., was executed prior to the edition of 72., �This work was created after an excerpt of the oil painting �Abstraktes Bild� (1990), �This work was created after an excerpt of the oil painting �Abstraktes Bild� (1990), which has the number 724-4 in the catalogue raisonn� of paintings. The motif of the painting was fragmented on the computer into 4.096 vertical segments, which has the number 724-4 in the catalogue raisonn� of paintings. The motif of the painting was fragmented on the computer into 4.096 vertical segments, which correspond to the height of the picture. The number 512 noted on the reverse of the current print indicates which of these predefined segments was chosen by the artist according to the random principle, which correspond to the height of the picture. The number 512 noted on the reverse of the current print indicates which of these predefined segments was chosen by the artist according to the random principle, in order to be reproduced in countless reflections, in order to be reproduced in countless reflections, until a geometric repeat of long, until a geometric repeat of long, horizontal stripes resulted from it. Since each one of the 72 examples of the edition is based on another segment, horizontal stripes resulted from it. Since each one of the 72 examples of the edition is based on another segment, each sheet displays a different chromaticity. Since, each sheet displays a different chromaticity. Since, within the print run, within the print run, no example with the number 512 was produced, no example with the number 512 was produced, this present test example is also a unique object, this present test example is also a unique object, which I will include retroactively in my catalogue raisonn�.�, which I will include retroactively in my catalogue raisonn�.�, ,(Hubertus Butin, ,(Hubertus Butin