![Two rare studies of Leonardo da Vinci's 'The Last Supper' will be sold in London auction - CNN Style Two rare studies of Leonardo da Vinci's 'The Last Supper' will be sold in London auction - CNN Style](https://cdn.cnn.com/cnnnext/dam/assets/220628150636-02-last-supper-drawings-giovanni-antonio-boltraffio-super-169.jpg)
Two rare studies of Leonardo da Vinci's 'The Last Supper' will be sold in London auction - CNN Style
![Activists glue themselves to copy of Leonardo's 'The Last Supper,' adding to string of similar protests - CNN Style Activists glue themselves to copy of Leonardo's 'The Last Supper,' adding to string of similar protests - CNN Style](https://cdn.cnn.com/cnnnext/dam/assets/220705093227-01-just-stop-oil-leonardo-da-vinci-protest-full-169.jpg)
Activists glue themselves to copy of Leonardo's 'The Last Supper,' adding to string of similar protests - CNN Style
![Two rare studies of Leonardo da Vinci's 'The Last Supper' will be sold in London auction - CNN Style Two rare studies of Leonardo da Vinci's 'The Last Supper' will be sold in London auction - CNN Style](http://cdn.cnn.com/cnnnext/dam/assets/220628150631-01-last-supper-drawings-giovanni-antonio-boltraffio.jpg)
Two rare studies of Leonardo da Vinci's 'The Last Supper' will be sold in London auction - CNN Style
![Archivo:The Last Supper - Leonardo Da Vinci - High Resolution 32x16.jpg - Wikipedia, la enciclopedia libre Archivo:The Last Supper - Leonardo Da Vinci - High Resolution 32x16.jpg - Wikipedia, la enciclopedia libre](https://upload.wikimedia.org/wikipedia/commons/thumb/4/48/The_Last_Supper_-_Leonardo_Da_Vinci_-_High_Resolution_32x16.jpg/1200px-The_Last_Supper_-_Leonardo_Da_Vinci_-_High_Resolution_32x16.jpg)