Thanks to K1ng for giving some proof

Bought for 45 pure

https://backpack.tf/profiles/76561198054275169#!/compare/1521417600/1521590400

https://backpack.tf/profiles/76561198259342040#!/compare/1521504000/1521590400

35 keys pure

https://backpack.tf/profiles/76561198205939253#!/compare/1520726400/1520812800

https://webcache.googleusercontent.com/search?q=cache:LRU_K428VPIJ:https://backpack.tf/stats/Unusual/Magistrate%27s%2520Mullet/Tradable/Craftable/46 ----- B/O was 60, which means it most likely quicksold (quickbuyers at 32)

Sold with ~2.7 keys in sweets for a MG Letch's Led (25.5) + 15 keys + ~4 keys in sweets ----- 42 keys total

https://backpack.tf/profiles/76561198039548756#!/compare/1520899200/1521072000

https://backpack.tf/profiles/76561198168625615#!/compare/1520985600/1521072000

https://backpack.tf/item/4295711341 ----- this was added along with the keys + medigun

Burning Polar Cap (unpriced) + ~1 key in sweets ----- Use there I guess

https://backpack.tf/profiles/76561198168625615#!/compare/1520985600/1521072000

https://backpack.tf/profiles/76561198117090444#!/compare/1520985600/1521072000

Bulk?

https://backpack.tf/profiles/76561198259342040#!/compare/1521417600/1521504000

https://backpack.tf/profiles/76561198117090444#!/compare/1521158400/1521244800

Clean one hasn't sold in a long time. 42-45 should be ok here.