The Richie Rich Diamonds #51 comic book, published by Harvey in February 1981, features a mix of crime, humor, and sports genres. With a cover artist like Warren Kremer, this Bronze Age comic is aimed at children and young adults. The story likely revolves around the character Richie Rich and his friends as they navigate through various adventures, possibly involving themes of friendship, loyalty, and overcoming obstacles. Overall, this collectible comic book from the Richie Rich Diamonds series offers a nostalgic glimpse into the world of US comics during the 1980s.