Number Four: Portrait of Dr. Gachet by Vincent Van Gogh

This and the last painting were at one point the two most expensive paintings in the world, sold together to Ryoei Saito in 1990. This would become Van Gogh’s most expensive painting to date, selling for an impressive $82.5 million ($136.1 million today).
Artist: Vincent Van Gogh
Year: 1890
Year of Sale: 1990
Sale Price: $82.5 million
Currency Adjusted: $136.1 million