The Invincible Keepsake Trading Card featuring William Clockwell #345 with a FOIL BLOOD SPLATTER design is a highly sought-after collectible item from the San Diego Comic Con event. Manufactured by Super Products Inc. in 2025, this rare card is part of the Invincible set and showcases the character William Clockwell in a unique foil blood splatter variation. With features like being a short print, part of a parallel/variety set, and a base set inclusion, this card is a must-have for fans of superhero, action, and comics genres. This limited edition card is a valuable addition to any trading card collection.