I have been looking for a long time for a Mandalay Bay Vargas/Mosley room key to complete my collection. Here is the key I have been looking for:

I finally was able to buy one and be done with my key card collection!!!! Check it out:

Note the difference. They must have issued two different keys for the fight.

I still need the "Hotel @ Mandalay Bay" Vargas/Mosley card. Please help.