2026 SDCC Battle Beast Signagraph Card 17/50 Hand Nmbrd/50 Invincible The 2026 San Diego Comic Con Battle Beast Signagraph Card 17/50 is a highly sought-after collectible trading card featuring the character Battle Beast from the Invincible Universe. This limited edition card, part of the Keepsake set manufactured by Super Products Inc., is HAND numbered 17of 50 and comes in a blue parallel/variety. As a part of the non-sport trading card genre, it appeals to fans of superhero TV shows like Invincible, making it a valuable addition to any trading card collection. One of only 50.