This is a rare and highly sought-after 2017 Topps Heritage Bryce Harper Chrome Refractor trading card. It features the talented player in his Washington Nationals and Philadelphia Phillies jerseys, with the card number THC427. The card is made of high-quality card stock and is an original, licensed print from Topps.

It also comes with some special features that make it even more valuable, including a serial number, short print, and parallel/variety design. This card has a grade of 9.5 GEM MINT from a professional grader, and is part of the TOPPS HERITAGE set. It's a must-have for any baseball fan or collector.