Register with eshopex (a mail forwarding service from US to NZ) using your AMEX card and they will send you a $15 USD Amazon Gift Card within 1 week (Usually they are processed on Fridays)
Screen Shot Proof from Easternculture
You will need to email them on [email protected] & quote your name and eCode
HOW CAN I REDEEM MY AMAZON GIFT CARD?
After registering please send an email to [email protected], specifying your name and eCode from eShopex.
Your ecode comes in an email from them after you register and is also shown onscreen after you register.
Sweet hopefully it works with BNZ Amex :D