The 2021 Topps Fire Autographs Ryan Mountcastle #AV-RM Green /75 trading card is a highly sought-after collectible for baseball fans. This limited edition card features an autograph from Ryan Mountcastle, a rising star in Major League Baseball. The card is part of the Autographs insert set from Topps and is authenticated with a label or sticker. With only 75 copies in existence, this card is a rare find for collectors looking to add a piece of sports memorabilia to their collection.