Checkmate is a savings app with over one million users that have saved $$$ on brands like eBay.
The Checkmate extension automatically applies eBay discount codes, eBay coupons and more to give you discounts on products like 2013-14 Panini Innovation LeBron James #15 Stained Glass Case Hit SSP PSA 10.
Checkmate users have also been loving these products from eBay.
Users have been saving products like this to their collections.