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 Invincible #1 CGC 9.8 NM+ Image Comics 2003 Kirkman 1st Invincible & Omni-Man.
Checkmate users have also been loving these products from eBay.
Users have been saving products like this to their collections.