This rare 1990 Upper Deck Mark McGwire Athletics #171 trading card features an error on the back where there is no copyright notice. It is a must-have for any baseball or sports trading card collector. The card is part of the Base Set and portrays Mark McGwire, a famous player for the Oakland Athletics team.

This trading card is a great addition to your collection if you're a fan of the Athletics team or Mark McGwire himself. Whether you're a seasoned collector or just starting out, this card is sure to impress. Don't miss out on the opportunity to add this rare card to your collection.