Team Fortress 2
Counter-Strike: Global Offensive
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SCM sale on Jul 15: https://steamcommunity.com/market/pricehistory/?country=US¤cy=1&appid=440&market_hash_name=Strange%20Unusual%20Defragmenting%20Hard%20Hat%2017%25
https://backpack.tf/profiles/76561198060363900#!/compare/1626220800/1626652800 - received within this time frame
https://backpack.tf/profiles/76561198051186164#!/compare/1624924800/1625097600 - looks like put on SCM on this date
I'll round this up to 215