looks to be unique codes per email. fine print:
*Your promotional gift card may only be redeemed by the Newegg Account attached to this email address. May be used toward the purchase of any item on Newegg.com. No minimum purchase required. To redeem, simply enter the GIFT CARD ID and SECURITY CODE listed above in the checkout screen when placing your order. Promotional Gift Card expires at 11:59 PM PT 11/23/2015. Please visit our Gift Card help page for full terms and conditions.
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