On the ceiling of the vault because of a giant magnet caused by Herbert!!
Find the coins.
Mission 3? You can see it on youtube.
it is 3568
Just Go To This Website For A Full Guide On "How To Complete The Case Of The Missing Coins - Mission 3" The following is NOT a link http://www.club-penguin.org/club-penguin-mission/club-penguin-mission-3-case-of-the-missing-coins.html
you dont :)
See the related link.
in the nightclub
it is in the HQ next to where G is
try getting it
you can play games, and enter codes
It is different every time you go on the Missing Coins mission in Club Penguin.
You give it to G he's in the headquataurs