The violin played by the bandmaster of the Titanic as the ship was sinking is finally being auctioned for an estimated £400,000.The historic instrument, which underwent a CT scan to prove it is the real deal, is expected to make a world record sum for a piece of Titanic memorabilia at the British auction, which is attracting huge international interest. The wooden fiddle has been forensically proven to be the one used by Wallace Hartley as his band famously played on to help keep the passengers calm during the disaster. Wallace Hartley's violin in its case (pictured) was found strapped...