The 2021 Train Collection is a skin collection added to the game in 2021. It contains 21 weapon skins across rarities ranging from Mil-Spec Grade to Covert. SkinsMonkey lists every 2021 Train Collection skin with prices for each wear level.
The 2021 Train collection was released on 22nd September, 2021, as a succesor of the previous Train collection from 2013. The collection contains 17 skins designed by Valve, including popular skins such as Glock-18 Gamma Doppler or USP-S Whiteout. All skins avilable in the 2021 Train collection are visually impressive, often sporting very colorful and flashy designs. At the same time, skins from the 2021 Train collection are generally quite cheap, you can buy the covert M4A4 skin The Coalition for less than $10 for the lower float values.