Operation Bravo Case is a CS:GO item that includes weapons and rifles from the Bravo Collection. This case was released in September 2013, and was one of the first cases in CS:GO. It's an infrequent item which means it takes a lot of enormous luck to get the Bravo Case today.
The Operation Bravo Case includes 15 Valve-made skins for weapons from AK-47 | Fire Serpent to Desert Eagle | Golden Koi. Many of these skins are used today among players. But there are no knives in this case.