The IRS has a stamp that big time drug dealers can buy to pay their taxes anonymously. Perhaps this?

Edited to add that this may have been Pfizer paying their taxes on their profits from vaccine. Or a collective from a whole lot of different entities, that US Treasury shrouding. Like since when has the government told the truth? Why make such an announcement?

The IRS has a stamp that big time drug dealers can buy to pay their taxes anonymously. Perhaps this?