The Beckett Baseball Card Monthly April 1991 Issue #73 features two notable baseball players - Rickey Henderson and Ramon Martinez. This sports trading card publication from 1991 covers the latest news, trends, and high-quality cards in the baseball collectibles market. With in-depth articles and expert reviews, collectors can stay informed and updated on the current state of baseball card collecting. This issue is a valuable resource for fans of both players and the entire sports trading card industry.