DALLAS, TX.- Early U.S. coinage experiments and rare proof strikings are among the top highlights of Heritage Auctions’ Aug. 11-12 Chicago Signature® U.S. Coins & Platinum Night Auction, at the Chicago Marriott O’Hare. “The front cover of our Platinum Night catalog, our collection of the ‘best of the best’ in this auction, has three key coins on it,” said Greg Rohan, President of Heritage. “One is a great early pattern, and two are rare proof coins in gold. Of course, there are many more highlights than just those, but the three coins really stood out and captured the overall strength of the event.” The front-cover pattern is a 1792 Judd-2 Fusible Alloy cent, Fine 15 NGC, CAC. This extremely rare experimental coin, a prelude to the U.S. Mint’s copper coinage of 1793, is an important milestone in the evolution of the nation’s money. The silver-copper alloy tested by the Fusible Alloy