PHILADELPHIA - The U.S. Mint seized 10 Double Eagle gold coins from 1933, among the rarest and most valuable coins in the world, that were turned in by a jeweler seeking to determine their authenticity. Joan S. Langbord plans a federal court lawsuit to try to recover them, her attorney, Barry H. Berke, said Wednesday. Langbord found the coins among the possessions of her father, longtime Philadelphia jeweler Israel Switt, who had acknowledged having sold some of the coins decades ago. She now operates her father's business. David Lebryk, acting director of the Mint, had announced in a news release...