Been a while, hasn't it? 4 years outdated yeesh... Better fix that range.

Sale 1 @ 28 keys:

Sold for an Australium Knife and Australium Ambassador (16 + 12 = ~28 keys)

https://backpack.tf/profiles/76561198271428524#!/compare/1497916800/1498003200

Classies have the Spec KS variants @ 16 for the knife and ~12 for the ambassador. Steam Market prices seem VERY inflated right now.

Sale 2 @ 37 keys:

Sold for a Tesla Coil Physician's Protector (mini at ~37 down below)

https://backpack.tf/profiles/76561198271428524#!/compare/1498348800/1498521600

Mini for Tesla Coil Physician's Protector:

Sale 1 @ 39 Keys:

Sold for 36 keys pure + ~3 keys in items, rounding to 39 keys total.

https://backpack.tf/profiles/76561198271428863#!/compare/1498435200/1498521600 (The history of the keys all matched up. I checked. Every single one. Steaming Sack's history doesn't match anything though.)

Sale 2 @ 35 Keys:

Sold w/ 3 keys for a Sunbeams Backbiter's Billycock (priced at 38.5), rounding down to 35

https://backpack.tf/profiles/76561198271428863#!/compare/1497916800/1498089600

Going with a range of 35-39, approximately 37 keys.

Any constructive criticism, suggestions, or additional proof/counter-proof always appreciated.