Topps released a special set of Desert Shield trading cards to commemorate the events surrounding Operation Desert Shield. The set was produced in 1991 and was aimed at capturing the significance of the operation.
Most still-sealed packs of this product are considered fake. Before CT scanning the only way to authenticate them would be for a professional to open the wrapping to confirm the shield, seen below, was present. Now, we can non-destructively confirm the presence of the shield.