helmut dirnaichner #9234 oltre il nero 1992 anthrazit, lapislazuli, cellulose 95 cm3′ 1 2⁄4″ reverse signed and dated inquire hide name email text hello, i am interested in the work "#9234 oltre il nero" by helmut dirnaichner. could you please provide information about this work and its availability. thank you is part of the exhibitions no. 1/2023 helmut dirnaichner and klaus staudt kolvenburg konkret