Sale 1:

http://backpack.tf/profiles/76561198064398375#!/compare/1471910400/1471996800

Atomic Universal Translator (42) + Strange Professional Aussie Axe (7.5) + Strange Professional Big Earner (3)

52.5

Rounding to 53

Minis:

Universal Translator - http://imgur.com/a/YHF4B (2 sellers @ 42)

Aussie Axe - http://imgur.com/a/46AMK (Seller at ~7.5)

Big Earner - http://imgur.com/a/h45sM (Sellers at 3)

Sale 2:

https://backpack.tf/profiles/76561198011661078#!/compare/1472428800/1472688000

Unsure what it sold for. Histories don't match. Both users didn't want to tell what it sold for.

Sale 3:

http://backpack.tf/profiles/76561197967861499#!/compare/1471392000/1471478400

Sold with 21 keys + Pro Strange Aussie Medigun (43) for a '72 Taunt: Rock, Paper, Scissors (100)

100 - 43 - 21 = 40

Aussie mini:

http://imgur.com/a/YiYUE - Seller at 43

Seems low.

Seller at 55:

http://imgur.com/a/HWiqE

Going with 53

Meh range.