To prove it, he’s selling one of his works for $3 million—er, in Monopoly money. Still, that’s 146 games’ worth of paper cash (each set currently comes supplied with $20,580), which ...

Monopoly is going digital. Hasbro is breaking with tradition with Monopoly App Banking, eliminating the traditional paper bills for a mobile app that does all the money transactions.

To produce these silent maps, the Brits turned to John Waddington Ltd., a company that had recently perfected the process of printing on ... some of the Monopoly money was real.