| Artist | Gerhard Richter |
| Object | painting |
| Technique | oil on primed canvas |
| Dimensions | 1,9 × 20 m (4 parts 1,9 × 5 m) |
| Title | “Stroke (on blue)” WZ 451 |
| Datierung | 1979 |
Vorzustand: The painting shows a lot of surface grime. There are some cracks and damages by knocking.
Installation view
Dust on paint surface.
Sticky stains caused by thrown drinks.
Cracks and tear caused by knocking.