Paypal Extras MasterCard (PPEMC) holders, check your email for subject: “Cyber Week is extra special with PayPal Extras MasterCard”
The offer is $15 off $50 spent at eBay using your PPEMC, issued as a statement credit. Offer can be used twice, for up to $30 in statement credits. Gift cards are not an exclusion.
Topcashback (referral link, thanks!) is offering 3.1% cashback on eBay purchases which also does not exclude gift cards.
Earn a $15 statement credit for every eBay® purchase of $50 or more made with your PayPal Extras MasterCard® now through December 06, 2015.* (A maximum of $30 in statement credits can be earned from this offer.)
*Subject to credit approval. Offer activation required by December 06, 2015. Cardholder must make purchase(s) of $50 or more on eBay with their PayPal Extras MasterCard now through December 06, 2015 that posts to their account by December 06, 2015, in order to qualify for a $15 statement credit (maximum of $30 in credits can be earned). See Rewards Program Terms for details. Cardholder should allow up to 2 billing cycles for your statement credit to post to your PayPal Extras MasterCard account. Account must remain open, be in good standing and not become delinquent at the time the statement credit is applied.