serial number

He said the device was missing a sleeve, which would have been painted orange with a serial number marking.

Name, rank and serial number—even when the topic is Thomas Jefferson.

I'm worried what my old man would do if I didn't bring back grandpas rifle ... idek if it had a serial number, but it wouldn't trace to me.

The unique serial number on the bank note was the authentication he needed to ensure he was handing the cash over to the right person.

The government has charged Routh with attempted assassination of a presidential candidate, possessing a firearm in furtherance of a crime of violence, assaulting a federal officer, felon in possession of a firearm and ammunition, and possession of a firearm with an obliterated serial number.