46528642 Nina -

Nina wasn't a spy or a mathematician. She was a restorer of antique clocks in a city that had forgotten how to keep time. The code had been scratched into the inner casing of a 17th-century longcase clock brought in by a man who didn't leave a name—only a heavy bag of gold coins and a look of absolute terror.

Used by companies to track hardware or inventory assigned to a specific user. 46528642 Nina