Jeffrey Leonard

The 1990 Upper Deck Jeffrey Leonard #331 is a standout vintage baseball card from one of the hobby's most significant releases. Upper Deck's 1990 set revolutionized card production with superior print quality and innovative design, and this Jeffrey Leonard card exemplifies that craftsmanship. The card captures Leonard in his Seattle Mariners uniform, showcasing the clean photography and vibrant colors that defined the era. In Near Mint condition, this card displays sharp corners, bright surfaces, and excellent centering—hallmarks of careful storage and preservation. The 1990 Upper Deck set remains highly sought by collectors building vintage collections, completing team sets, or investing in foundational modern baseball cards. Jeffrey Leonard's career with the Mariners adds regional appeal for Seattle collectors and completionists. Whether you're filling gaps in a 1990 Upper Deck master set or curating a vintage baseball collection, this card offers authentic 1990s cardboard with genuine collector value and nostalgic appeal.