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 2011 Casascius 25 Bit Coin -Redeemed w/Key&Holo PCGS Graded Authentic BTCC Titan.
Checkmate users have also been loving these products from eBay.
Users have been saving products like this to their collections.