Recognized as the most popular board game by the Guinness World Records in 1999, parent company Hasbro prints $30 billion in Monopoly money every year, CNN reports. But like many board games ...

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 ...