An astounding trinity of legendary American numismatic rarities — a 1787 Brasher doubloon with hallmark EB on the eagle’s wing, MS63 NGC, CAC, a 1913 Liberty nickel, PR64 NGC, CAC, the Olsen Specimen and a 1927-D double eagle, MS66 NGC — expected to bring millions of dollars when they cross the auction block as part of Heritage’s January 8-12 Florida United Numismatists (FUN) U.S. Coin Signature Auction Platinum Night offerings.