ZERO Heinz Mack Light grid. 1981. serigraph in shades of grey on Hahnemühle-Velin (w. watermark). 63.5 x 59 cm (105.8 x 77.4 cm). Signed and numbered. - Slight handling and crease marks in places, the latter running horizontally through the sheet in places, crease marks and slight bumping in the margins in places, paper slightly wavy, two small pale brown stains and a few slight creases in the lower sheet area, slightly dusty in places on the verso, good overall. Excellent, rich impression with wide, very wide margins at the bottom. Fulda-Kuhn 86 - One of 195 copies. Silk-screen in grey tones on Hahnemühle wove paper (with watermark). Signed and numbered. - Slight handling traces and crease marks in spots, crease marks partly horizontally within the sheet, crease marks and slight bumpings in margins in spots, paper slightly buckled, two faint-brown small stains as well as few slight pinch pleats in lower sheet area, verso isolated slightly dusted, all in all good. Excellent, rich impression with wide margin, at bottom with very wide margin. - One of 195 copies. 500