For sale is a 7X5 card with a small piece of brick from Chicago Stadium attached, former home of the Bulls and Blackhawks The piece is in a half-inch by half-inch square on the card. The brick was recovered from the stadium during demolition. This is a great item for any basketball, history, or hockey enthusiast! This item includes a certificate of authenticity for the card. I have been collecting artifacts for over 20 years. Grab a small piece of history!