The April 2020 Sports Market Report (SMR) PSA Price Guide featuring Mario Lemieux is a valuable resource for sports trading card enthusiasts. Published by PSA, this paperback price guide is specific to the player's autographs and offers a detailed analysis of the sports market for that month. With a focus on authentication through Professional Sports Authenticator (PSA), this guide provides insights into the English-language sports memorabilia market in the United States, making it a must-have for collectors looking to enhance their collection with high-quality items.