Gonna try and price this.

Sale #1:

Sold for an Australiam Force-a-Nature and a Specialized Killstreak Australiam Blutsauger:

Seller's backpack after: http://backpack.tf/profiles/76561198109192943?time=1433886067

History of the Unusual: http://backpack.tf/item/3281450664

History of the Force-a-Nature: http://backpack.tf/item/3423507915

History of the Blutsauger: http://backpack.tf/item/2971593130

Total: 12.5 + ~14 = 26.5 (Not applying overpay as the items involved are Australiams)

Rounding to 27 keys

Mini Suggestion for the Specialized Killstreak Australiam Blutsauger:

Bp tf shows its current value at around 14 keys:

http://backpack.tf/item/2971593130

It sells for around 14 keys as well on the SCM:

http://steamcommunity.com//market/listings/440/Strange%20Specialized%20Killstreak%20Australium%20Blutsauger

Sale #2:

Sold for a Bubbling Blighted Beak, a Stormy Storm Ze Goggles and a Specialized Killstreak Collector's Diamondback:

http://backpack.tf/item/3281450664

History of the Beak:

http://www.tf2outpost.com/item/440,3840521112,315,5

History of Ze Goggles:

http://www.tf2outpost.com/item/440,3840521103,177,5

History of the Diamondback:

http://www.tf2outpost.com/item/440,3782806720,525,14

Total: 18.5 + 13 + 4 = 35.5 (Not applying overpay as the hat I'm pricing was offered for those items)

Rounding it to 36 keys

Mini Suggestion for the Specialized Killstreak Collector's Diamondback:

It sells for ~4 keys on the SCM:

http://steamcommunity.com/market/listings/440/Collector%27s%20Specialized%20Killstreak%20Diamondback

Please tell me if I did anything wrong, thanks.