Just received this - it's genuine, not a scam/spam.
I pre-ordered the DVD for a tenner as an Xmas present for my son. They are now selling it for £9.99, hence the refund. Which I assume is costing rather more than 1p to process
Dear Customer,
Greetings from Amazon.co.uk.
We are writing to confirm that we are processing your refund in the amount of £0.01 for your Order xxx-xxxxxxx-xxxxxxx.
This amount has been credited to your payment method and will appear when your bank has processed it.
This refund is for the following item(s):
Item: Planes [DVD]
Quantity: 1
ASIN: B00EZOKG8I
Reason for refund: Pre-order price protection
The following is the breakdown of your refund for this item:
Item Refund: £0.01
Your refund is being credited as follows:
MasterCard Credit Card [expiring on x/xxxx]: £0.01
These amounts will be returned to your payment methods within 10 business days.
I pre-ordered the DVD for a tenner as an Xmas present for my son. They are now selling it for £9.99, hence the refund. Which I assume is costing rather more than 1p to process