[ Raine will be more then happy to repeat herself... Don't fret! ]

Oh, there would have been records of the king's name, his personal belongings, gifts from his people... [ She goes on and on about all sorts of stuff they could have found. ]

But it's possible that the lack of items found in the Tomb of the Unknown King reflects how the people thought of him. Perhaps there wasn't many items of value to begin with, as he might have been a king who was hated by his people. He was the last king before the Dollet Dukedom collapsed, after all.