Denny's Trademarks that appear on this site are owned by Denny's and not by CardCash. Denny's is not a participating partner or sponsor in this offer and CardCash does not issue gift cards on behalf of Denny's. CardCash enables consumers to buy, sell, and trade their unwanted Denny's gift cards at a discount. CardCash verifies the gift cards it sells. All pre-owned gift cards sold on CardCash are backed by CardCash's 45 day buyer protection guarantee. Gift card terms and conditions are subject to change by Denny's, please check Denny's website for more details.