It is one thing for tungsten-filled gold bars to appear in the UK, or in Germany: after all out of sight, and across the Atlantic, certainly must mean out of mind, and out of the safe. However, when a 10 ounce 999.9 gold bar bearing the stamp of the reputable Swiss Produits Artistiques Métaux Précieux (PAMP, with owner MTP) and a serial number (serial #038892, likely rehypothecated in at least 10 gold ETFs across the world but that's a different story), mysteriously emerges in the heart of the world's jewerly district located on 47th street in Manhattan, things get real...