Last one I swear

Credits to Sherazin for helping me out!

Sale 1

http://backpack.tf/profiles/76561198176860775#!/compare/1488326400/1488412800 39 keys

Mini: http://backpack.tf/suggestion/58ee2f390e2cad60450a88e5

B/O was 39 keys, capping at that: http://www.tf2outpost.com/trade/28810245

Sale 2

http://backpack.tf/profiles/76561198052927303#!/compare/1488499200/1488585600 37 keys

Mini is unusable but I might as well put it here as it was the only actual sale I found: http://backpack.tf/profiles/76561198079473956#!/compare/1488844800/1489104000

Capping at 22 because of aged seller

Sale 3 (thanks purplicious)

https://puu.sh/vjhjo/504d51e74e.png 40 keys

Sold for 42, capping at B/O of 40: http://www.tf2outpost.com/trade/28796992

Sales I didn't use

I Quick-bought mine for 32 keys: http://imgur.com/jyopHFl The person's B/O was 33 keys

http://backpack.tf/profiles/76561198049123306#!/compare/1490054400/1490140800 Bulk

http://backpack.tf/profiles/76561198056793444#!/compare/1491782400/1491868800 Cluttered

http://backpack.tf/profiles/76561198069074737#!/compare/1490659200/1491091200 Duped

http://backpack.tf/profiles/76561198060375373#!/compare/1491091200/1491177600 Histories didn't match up

http://backpack.tf/profiles/76561198237375274#!/compare/1490054400/1490140800 Histories didn't match up

Any help appreciated!