Fun Time Explorer's Club
It once belonged to Vayne Hall. He has promised the players a card if they can get any information leading him to it. He has promised to grant them one wish if they can bring him the actual sword.
All they know is that a man named Kelvin Montague in Calimport is supposed to have some information about it. Vayne believes that he stole it, or bought it, from someone that stole it from Hall.