The listing, Armored Warfare E3 Pack has ended.
Starter Pack Contains:
The Chieftain Mk. 6 Main Battle Tank
30 days of premium time
2500 Gold
In order to redeem your Armoured Warfare E3 Pack, please follow these instructions:
1) Signup for an official Armored Warfare account
2) Login and go to your profile page.
3) Find "Redeem a Promo Code", enter your key, and press “Submit.”