| Name | Altarpiece of St. John, the Baptist, also known as the Marquis of Villena's altarpiece. |
| Autonomous community | Castilla - La Mancha |
| Province | Cuenca |
| City/Town | Belmonte |
| Location | The colegiate church of St. Bartholomew, the chapel of St. John the Baptist |
| Date | Round about 1450-1460 |
| Production | Brussels |
| Iconography | Life of Saints |
| Technique | Carved polychrome decorated wood |
| Dimensions | Altarpiece: 201.5 x 140 x 27.5 cm Altarpiece without predella: 139 x 140 x 21 cm The Beheading of St. John, the Baptist: 44 x 42 x 20 cm The Baptism of Christ: 64,5 x 40 x 16,5 cm The Banquet of Salomé: 45.2 x 40.5 x 14 cm |
| Registry | Monument, BOE nº 215, dated 03.08.1943 |