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 *jcr_m* USA - 100 DOLLARS 2003 P.519 *UNC*.
Checkmate users have also been loving these products from eBay.
Users have been saving products like this to their collections.