Mass in a Grotto (Milan)
| Object type | Painting |
| Genre | Religious |
| Date | ca. 1602 |
| Dimensions | 9 x 7 cm |
| Support | Card |
| Medium | Oil |
| Our attribution | Jan Brueghel the Elder |
| Other authorities | Ertz 2008-10, #287 Ertz 1979, #90 |
| Location | Milan, Italy |
| Collection | Pinacoteca di Brera |
| Tags | Preaching, Horse, Shrine, Forest, Burghers, New Testament |