Title: Abstrakte Skizze (Abstract Sketch)
Year: 1991
Medium: oil on canvas, signed, dated VII. 91 and numbered 749-7 on the reverse
Dimensions: 30 x 35 cm (11 3/4 × 13 3/4 in.)
Title: STRIP
Year: 2025
Medium: Digital print on paper between Alu Dibond and Perspex
Dimensions: 69.8 x 69.8 cm (27 1/2 x 27 1/2 in.)
Title: Kanarische Landschaften I [Canary Landscapes I (Butin 39)]
Year: 1971
Medium: Heliogravure (the complete set of 6 works with original case)
Dimensions: image: 11.8 × 22.7 cm (4 5/8 × 8 7/8 in.) - 15.3 x 24.4 cm (6 x 9 5/8 in.) sheet: 39.5 x 50.1 cm (15 1/2 x 19 3/4 in.) each
Title: 4. 3. 89
Year: 1989
Medium: oil on color photograph
Dimensions: 10.2 x 15.2 cm (4 × 6 in.)
Title: 21. Feb. 01
Year: 2001
Medium: oil on color photograph
Dimensions: 14.6 x 10.2 cm (4 × 6 in.)
Title: Cage 1 (P19-1)
Year: 2006/2020
Medium: Giclée print in colors, flush-mounted to aluminum with metal strainer on the reverse
Dimensions: 100 × 100 cm (39 3/8 × 39 3/8 in.)
Title: Abstraktes Bild (P1)
Year: 1990/2014
Medium: chromogenic print, flush-mounted to aluminum with metal strainer on the reverse
Dimensions: 92 × 126 cm (36 1/4 × 49 5/8 in.)
Title: untitled (3.11.89)
Year: 1989
Medium: gelatin silver print, unique
Dimensions: 67.9 x 97.8 cm (26 3/4 x 38 1/2 in.)