Mass in a Grotto (London)
| Object type | Painting |
| Genre | Staffage in Landscape |
| Date | ca. 1620 |
| Dimensions | 56 x 97.5 cm |
| Support | Panel |
| Medium | Oil |
| Collaborators | Joos de Momper |
| Our attribution | Produced in Jan Brueghel's Studio |
| Other authorities | Ertz 2008-10, #794 |
| Location/Most Recent Sale | London, Phillips, 13 May 1986, lot #47 |
| Tags | Horse, Momper, Landscape |
This work remarkably reuses material from the tiny Milan painting of the same subject. Things have been moved around and not copied exactly but much is really repeated.