Gamescom Invitational Crate is a limited PUBG crate. It was available to obtain with BP in-game currency while the Gamescom Invitational 2017 tournament.
How to get?
You can purchase this item on the Steam Community Market. Additionally you will have to buy an EARLY BIRD KEY key in order to open this crate.
How to open?
Make sure you have both crate and key in your inventory. You can buy an EARLY BIRD KEY through the special menu inside the game.