4 ms·
A dye pack could be an option, like used for currency bags in bank robberies and anti-shoplifting devices.
by code_duck 8y ago
A dye pack could be an option, like used for currency bags in bank robberies and anti-shoplifting devices.
- Someone 8y agoGood idea, but a strong acid probably would do better than paint. With paint it will be difficult to make the letter truly unreadable.
- BrandoElFollito 8y agoThat's right, the contemporary paint is rather there to mark the notes and raise suspicion when used