4 months outdated. Requested by cashew.

Sale #1

http://www.tf2outpost.com/trade/22325107

Traded this + 3 keys for Strange Specialized killstreak Astralium Black Box (1.3 buds * 0.9 = ~1.2 buds)

Backpack of seller

http://backpack.tf/profiles/76561198067349251?time=1410246000 Before

http://backpack.tf/profiles/76561198067349251?time=1410332400 After

Backpack of buyer

http://backpack.tf/profiles/76561198110037051?time=1409468400 Before

http://backpack.tf/profiles/76561198110037051?time=1410310992 After

Total: ~1 bud

Sale #2

http://www.tf2outpost.com/trade/22554901 b/o 17 keys

Can't identify sale

Sale #3(Without considering the specialized killstreak bit on the stranges, the value of the hat will be negative)

http://www.tf2outpost.com/trade/22745576 b/o 1 bud

http://www.tf2outpost.com/trade/20376424

Traded this + Platinum Pickelhaube Memory Leak(1.1 buds) + Strange Specialized killstreak Festive Medi Gun(2.2 buds) + Strange Specialized killstreak Australium Mini Gun(1.9 buds) + 1 bud + 41 keys + ~17 keys in items for Burning Flames Scotsman Stove Pipe(7.3 buds)

Backpack of seller

http://backpack.tf/profiles/76561198089756358?time=1411282800 Before

http://backpack.tf/profiles/76561198089756358?time=1411542000 After

Backpack of buyer

http://backpack.tf/profiles/76561198061085356?time=1411282800 before

http://backpack.tf/profiles/76561198061085356?time=1411369200 After

Sale #4

http://www.tf2outpost.com/trade/22779032 b/o 1 bud

Can't identify sale

Sale #5

http://www.tf2outpost.com/trade/22990080

Can't identify sale

Sale #6

http://www.tf2outpost.com/trade/22993724 b/o 16 keys(~1 bud)

Can't identify sale

Mini suggestion

Strange Specialized killstreak Astralium Black Box

1. http://www.tf2outpost.com/trade/22540171 b/o ~1.3 buds

2. http://www.tf2outpost.com/trade/22521088 b/o ~1.3 buds

3. http://www.tf2outpost.com/trade/22273114 b/o ~1.3 buds

Doesn't seem to affect its value. Taking 1.3 buds as the price(Same as without killstreak)