Just 1 person.

Sale 1: Sold with Strange Professional Killstreak Scottish Resistance[2.84 keys via mini(also has a part which adds another key)]+Bruisers Bandana[1 key, painted pink, adds another key] for It's a puzzle to me Hellmet[46 keys]+2 keys

http://backpack.tf/profiles/76561198060345661#!/compare/1460246400/1460332800

46+2=48

48-3.84-2=42.16 rounding to 42 keys

Sale 2: Sold for 32 keys

http://backpack.tf/profiles/76561198095365841#!/compare/1460592000/1460678400

seems low, sold in like 3-4 days.

Sale 3: Sold for 39 keys

http://backpack.tf/profiles/76561198061376237#!/compare/1458777600/1458864000

Seller at 38 keys

https://gyazo.com/ae2bae2fa0a8c109606c7ac9a748c7bd.png

https://gyazo.com/bea49fb72e952a986027fb5fe97a29f7.png

Been up for 2 days.

Mini on Scottish Resistance:

Sellers at 2.84 keys https://gyazo.com/e447d4f4641fad8362bd20d45554d44e.png

I have sales at 32, 39 and 42, and a seller at 38. 32 seems low. Making this a range of 38-42 keys.