Checkmate is a savings app with over one million users that have saved $$$ on brands like StockX.
The Checkmate extension automatically applies StockX discount codes, StockX coupons and more to give you discounts on products like Charizard ex 2023 Pokémon Scarlet & Violet 151 Special Illustration Rare #199/165 (PSA or BGS Graded).
Checkmate users have also been loving these products from StockX.
Users have been saving products like this to their collections.