Unmarked Bills?

[tweakmm]

I have heard this in countless movies, ransom being asked for in '100 million dollars in unmarked bills' WTF does this mean?
Thanks,
Mike

 

[fake]

It means clean, genuine bills that aren't altered to aid police tracking of the funds.. atleast that's how I understand it.

 

[Sluggo]

It means keep that money away from your male dogs.

 

[Aihyah]

they ussually say non sequencial bills too