Gerhard Richter (German, born 1932) Abstraktes Bild (see B.Anhang p.169) Offset lithograph printed in colours, 1990, on wove, signed in silver ink verso, a rare trial proof aside from the edition of 100 on larger paper, with the printed justification on separated sheet as published from the portfolio Künstler für Äthiopien, published by Politischer Club Colonia, with full margins, 430 x 593mm (17 x 23 1/4in) (SH) (unframed)