Not that fancy (or at least not that novel). In WWII the allies used sequential serial numbers on destroyed and captured tanks to have a frighteningly accurate

Not that fancy (or at least not that novel). In WWII the allies used sequential serial numbers on destroyed and captured tanks to have a frighteningly accurate picture of German industrial output. https://en.wikipedia.org/wiki/German_tank_problem https://en.wikipedia.org/wiki/German_tank_problem