Many artists are designing hand-drawn sketch cards that feature their own original superheroes, comic book characters, and legendary public domain icons such as Mickey Mouse, Winnie-the-Pooh, Count Dracula, and Frankenstein's Monster. These unique art sketch cards allow creators to bring their comic book ideas to life on a collectible trading card format while giving collectors something one-of-a-kind to add to their collections. Whether it’s original superhero sketch cards, fantasy characters, or public domain art, these mini illustrations are popular among fans of artist trading cards (ATCs), ACEO cards, and original art collectibles. Selling sketch cards on platforms like eBay and Etsy is a fun and rewarding way for artists to showcase their talent, gain exposure, connect with collectors, and potentially make extra income through their own comic book-inspired artwork.