Thank you everybody for answering so fast.
BBb: I kind of panicked, because I didn't want to do something wrong.
Now, I remember that Geoff mentioned that we should do the invocation 'till it works.
Gibil: I've been(let's say) "playing" with the occult for about four years. But never have i received a result that made me feel so confident before(with anything else). Regarding the NAP: I started reading the book about one month ago.
BS: Indeed! NAP RULES!
The funny thing is that you're right. In my case, the work I'd have to do in order to obtain that object, would be the easiest work I've ever done.
Thank you all for your assistance.