Topps Series 2 Baseball offers collectors the oppurtunity to chase not just a super rare insert card, ... Collectibles On SI. Super Rare "K-Zone" Die-Cut Inserts Debut in 2025 Topps Series 2 Baseball.

It’s a creative way to use a die-cut geometric pattern overlay that feels contemporary and interactive — and I’ll show you two different samples that are really inspiring.

Topps Series 2 Baseball offers collectors the oppurtunity to chase not just a super rare insert card, but its exceptionally scarce SP variation.