An extraordinarily rare coin whose whereabouts was a mystery for decades has sold for just over $500,000. The coin, which was struck by the U.S. Mint in San Francisco in 1975, depicts President ...

Mystery boxes tap into this feeling ... This is a different approach. Two Sides of the Same Coin: Curation vs. Chance There’s a difference between curated boxes and the gamified kind. Curated boxes ...

Even more curious: It’s one of many rare and valuable coins being deposited at the Christian charity organization’s donation stations across the country in what may be a focused effort to make ...