A once-in-a-generation collection of Roy Lichtenstein’s art is heading to auction in May, with Sotheby’s expecting the vibrant selection to pull in more than $35 million (€30.8 million). The sale will ...

Find out about the printmaking process and the tools, surfaces and materials used to make art prints. Andy Warhol and pop art prints Learn key facts about Andy Warhol and find out more about his ...