GiftCardMall via eBay is offering $50 Sears physical gift cards for $40. In the past purchases from this merchant have earned 5X points with Chase Ink cards and you can save an additional 1.5% by starting at a portal.
There is a limit of 2 x $50 cards per eBay user ID. These deals tend to be very popular and similar deals have sold out very quickly.
For more see: The complete guide to Sears gift cards.
Update: GiftCardMall is also selling $75 eBay Gift Cards for $72. It seems Ebates is the best portal to use for eBay gift card purchases from GiftCardMall based on reader experiences.