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 PSA 10 Pokemon Obsidian Flames Secret Double Rare Charizard EX 223/197 GEM MINT!.
Checkmate users have also been loving these products from eBay.
Users have been saving products like this to their collections.