The Blacksite Collection is a Valve-made collection of CS:GO skins introduced on 06 December 2018. The collection consists of 0 consumer skins, 0 industrial skins, 0 mil-spec skins, 1 restricted skins, 0 classified skins, and 0 covert skins.
The Blacksite Collection was only available during the first few weeks of the launch of the Dangerzone game-mode. As a result of this, the collection is considered "discontinued". The MP5-SD | Lab Rats skin is the only CS:GO skin that is exclusively available in souvenir quality.
No further skins have been added, nor have new collections been introduced for the other DZ (Danger Zone) maps.