Here is an 8 x 10, print (copy of original photo) that has been signed by the retired, Pittsburgh Steelers' defensive back - J. T. Thomas.  This item was signed by Thomas a while back, does not have a certificate of authenticity, but I guarantee this signature is an authentic, J. T. Thomas autograph.  This item has been signed "J. T. Thomas #24 - 73 - 83" in black ink near the center with signature being crisp and clear.  Print is clean with little wear.  Please use zoom feature for an up-close view of this item.  I combine shipping when possible.  Thanks - Howie