"One of the missing trophies from the display case - a very important 16th anniversary trophy."
— Inventory description
The 16th Anniversary Trophy is a key item in Resident Evil: Resistance.
This is one of the items that can spawn at Area 1 of the Downtown stage if the exit puzzle revolves around finding trophies, its location will change based on the preset the Mastermind has chosen before the match started.
It's meant to be placed with the other trophies on the wall next to the exit towards Area 2.