Phonograph record by Isa Genzken, featuring noises made by a Tri-Star aeroplane motor, one side painted by Gerhard Richter with grey nitro lacquer,

1981

diameter 17.5 cm (6 7/8 in.)

signed and dated '81' in black felt-tip pen on the grey nitro lacquer and numbered 57/75 in black ink on the yellow label affixed to the underside, published by Isa Genzken and Gerhard Richter, Düsseldorf, unframed (lacking the original yellow cardboard cover).