Screech, mascot for the Nationals, gets his own card in 2025 Topps Series 1 Celebration. / Beckett.com This is one of the more common inserts, revived from Opening Day, to pull in Series 1 ...

This is one of the more common inserts, revived from Opening Day, to pull in Series 1 Celebration. It's a great set, especially for the real young collectors just getting into the hobby.