"Of course! You must get to the vault, I have a key here.." She opened the lid of a jewellery box and removed a faux bottom. Had Theo chanced a guess - the key in question was older than Malfoy manor. The handle was a large B, the words Toujours Pur laced around its outer edges repeatedly. The key itself was shaped like a crescent moon, cast entirely in the finest goblin silver.