5 ms·
I wonder what would happen if you took a black marker to the serial numbers? Perhaps modern bills have other means of encoding their serial numbers.
by psadri 8y ago
I wonder what would happen if you took a black marker to the serial numbers? Perhaps modern bills have other means of encoding their serial numbers.
- deleted 8y ago[deleted]
- liveoneggs 8y agothey are probably printed with special inks, requiring a special marker to fool magnetic-scanning or somesuch. It would also be easy to reject the validity/authenticity of paper money with an illegible serial number.