The 1990 Skybox Mark McNamara #139 trading card is an original vintage piece made of card stock featuring the Los Angeles Lakers player from the 1990-91 NBA season. Manufactured by SkyBox in the United States, this standard-sized sports trading card is a part of the base set and is in English language. It is a classic piece of basketball memorabilia for collectors and fans of the NBA looking to add a piece of history to their collection.