| Name | The altarpiece of St. John the Baptist (San Juan Bautista) |
| Autonomous community | Castilla y León |
| Province | Valladolid |
| City/Town | Valladolid |
| Location | The Church of the Holy Saviour (San Salvador) |
| Date | Around 1504 |
| Production | Antwerp |
| Iconography | Passion and Glorification of Christ, Life of Saints |
| Hallmarks/Stamps | Yes. Hands |
| Author | Unknown (Woodcarving). Morrison, Master of Tripytches (wings affixed to main body) |
| Technique | Carved polychrome decorated wood |
| Dimensions | Flemish altarpiece with closed wings : 381.5 x 316 cm Flemish altarpiece with open wings: 381.5 x 632 cm Flemish altarpiece with both plinth and wings closed: 391.5 x 335 cm |
| Registry | BOE, Nº 278 dated the 5th of October, 1941 |