Item 1: https://backpack.tf/item/16370991041

Sale 1: 20k buy order dump, 13k outgoing match, 17k incoming match, linking snapshot of 20k buy order

https://backpack.tf/profiles/76561199229477354#!/compare/1762646400/1762732800

https://backpack.tf/profiles/76561199471462962#!/compare/1762128000/1762819200

https://next.backpack.tf/classifieds/snapshots/Sizzling%20Aroma%20Hazard%20Handler/69125e5de874db9cb6028608

https://imgur.com/a/hiPEZvK

Sale 2: 55k pure

https://backpack.tf/profiles/76561199229477354#!/compare/1762732800/1762819200

https://backpack.tf/profiles/76561198071082937#!/compare/1762732800/1762819200

Sale 3: 75k pure (74k match but based on Polar's comment on the last iteration of this saying it was 75k, it should be fine, comment linked below)

https://backpack.tf/profiles/76561198205864060#!/compare/1762992000/1763078400

https://backpack.tf/profiles/76561198071082937#!/compare/1762905600/1762992000

https://backpack.tf/suggestion/691365dd45d46e5f10006399#comment-6915c82da69e51db42072fac

No classifieds link, one buy order at 20k and no sell orders.

Ignoring the 20k sale as a buy order dump, other sales are at 55k/75k, taking these values for the low and high end of the range.