The 2025 Topps Series 1 Gunnar Henderson Training Grounds #TG-12 trading card features the Baltimore Orioles player in a Major League Baseball (MLB) insert set. This original card is made of 20 Pt. card stock and is part of the Training Grounds set, showcasing Henderson in an action shot. The English-language card is an insert in the 2025 Topps Series 1 collection, licensed by Topps and manufactured in the United States. Perfect for baseball card collectors, this card captures a moment from the MLB World Series tournament, adding a unique piece to any collection.