Its a good suggestion. And is most probably worth adding. Many including myself are against it. However we may find different uses for it. Also it seems rather similar to the gold bars in the game 'Hobbo Hotel' if anyone is familiar with it.http://img4.wikia.nocookie.net/__cb20120404160542/habbo/en/images/6/67/Goldbar.png (Unsupported image host)
Lol why not add coins while your at it? Perhaps even make use of the graal bank...
http://www.habboxwiki.com/wiki/images/0/06/Money_stash.gif (Unsupported image host)