eBay Terms & Conditions:
This Coupon is a $20 discount off a minimum purchase of $50, valid from 12:00 AM PT on December 4, 2018 until 11:59 PM PT on December 10, 2018. Discount applies to the purchase price (excluding shipping, handling, and taxes) of eligible items on ebay.com, ebay.ca, and cafr.ebay.ca. Eligible items exclude items from the Coins & Paper Money, Gift Cards & Coupons, eBay Motors, and Real Estate categories. Coupon must be used within a single transaction (and can include multiple eligible items), while supplies last. Max one-time use. Only eBay users paying with PayPal and registered with an address located in the United States and Canada are eligible for the Coupon. Valid only for purchases from ebay.com, ebay.ca, and cafr.ebay.ca. Any unused difference between the discount amount, as shown on the Coupon, and the purchase price of an item(s) in a single transaction (or cart) will be forfeited.
Coupon is subject to U.S laws, void where prohibited, not redeemable for cash, has no face value, and cannot be combined with any other Coupon, or when paying with PayPal Credit Easy Payments or Gift Cards. eBay may cancel, amend, or revoke the Coupon at any time.
It also appears to be a unique code so it might be targeted