Old Master Paintings
Before Restoration.
15th Century angel had been restored only 50 years before at the Prado. Materials change over time, making the inpainting unsightly.
![Before Restoration.](https://amazon.clikpic.com/BlackmanConservation/images/Sin_título_1.png33.png)
15th Century angel had been restored only 50 years before at the Prado. Materials change over time, making the inpainting unsightly.