Only 2, so this should be easy

Sale 1: Well it sold for a Spec KS Australium Minigun (16) + Pro KS Collector's Escape Plan (8 Due to SCM Average Sales) Taking 24

https://backpack.tf/profiles/76561198260747931#!/compare/1502409600/1502496000

https://backpack.tf/profiles/76561198352409683#!/compare/1503100800/1503792000

Sale 2: Bulk

https://backpack.tf/profiles/76561198169285775#!/compare/1502150400/1502409600

Sale 3: Bulk

https://backpack.tf/profiles/76561198080996895#!/compare/1501200000/1501372800

Sale 4: Bulk?

https://backpack.tf/profiles/76561198080996895#!/compare/1500854400/1500940800

Sale 5: Bulk?

https://backpack.tf/profiles/76561198058721013#!/compare/1500681600/1500768000

Only sale that i can actually find was the one for 24, and since there's no other sellers on the market, i guess i'm just going with 24, though it could be a bit high?

History:

https://backpack.tf/item/3346152175

https://backpack.tf/item/2979218901