The Mona Lisa, because it is one of the oldest and most well-known paintings in the world.
yes,its absolutely valuable
no
yes
newspapers and paintings
yes VERY valuable they are over $1,000
Yes.
The most expensive of his paintings sold at auction was Portrait of Dr Gachet. It was sold in 1990 for $ 82.5 million.
yes they are very valuble
Yes. After all, cave paintings by preliterate societies are extremely valuable. In many places painters have been illiterate and these people could not sign their work. Many religious paintings and paintings in books are not signed because of religious reasons but are extremely rare and beautiful.
Portrait of Dr Gachet was sold in 1990 for 82.5 million dollars. Maybe other paintings would be more valuable but we cannot know as they are not for sale.
Yes, Fuller Potter's paintings can be purchased; go to www.best-of-fuller-potter-paintings.com
The "cubism" created by Picasso was a newer form of modern art. His paintings are very valuable.