A 77-year-old slice of cake from Queen Elizabeth II's wedding to Prince Philip was auctioned for $2,800. The slice of cake was packaged in a box bearing then-Princess Elizabeth's silver insignia and included a printed letter from the bride and a decorative doily. The piece of cake had been given to Marion Polson, housekeeper at Holyrood House in Edinburgh, Scotland, as a gift from the royal couple. Auction house Reeman ...