Originally Posted by
AlohaDaveKennedy
Ahem. Depends on the type of card involved. AMEX AUs have different numbers as can AUs on certain other cards.

This is exactly my thinking. Not all AU cards have the same number.
So, ADK, with that in mind, what are your thoughts about the OP's original question? Curious what you are thinking.
Originally Posted by
AlohaDaveKennedy
You ever attend SWATCHA?
What is this?