Bears the mark of the beast
Ironically, the Black Card really does bear the mark of the “beast”, since Biblical scholars are pretty sure that “beast” and “Antichrist” were references to the Roman Empire, and the American Express logo is the Roman centurion.
Also, his credit card could possibly have the number sequence 666 in it, which is the “mark of the beast” in Revelations Chapter 13, the final book of the Bible that describes Jesus' second coming in excruciating and largely symbolic detail. 6 is symbolic for imperfection, because it’s one less than 7, which is symbolic for perfection, so the Beast (Anti-Christ) is perfectly imperfect: 666.
It also bear his signature, or his mark, and he is a beast.
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