Sale 1:

Sold with a ~1 key in sweets for Green Confetti Airdog (13), 12 keys total

https://backpack.tf/profiles/76561198142438504#!/compare/1501804800/1501891200

https://backpack.tf/profiles/76561198301192601#!/compare/1501804800/1501891200

Airdog:

~25$= ~13 keys

(keys were ~1.94$)

https://marketplace.tf/items/30767;5;u6

2 weeks undold at 16

https://imgur.com/a/Q9u8n

Sale 2:

Sold for Orbiting Planets Brain Bucket (10)

https://backpack.tf/profiles/76561198301192601#!/compare/1501718400/1501804800

Bucket:

sellers for ~10 and buyers for ~9, i guess 10 will work

https://imgur.com/a/LWRGx

Sale 3:

Only 8 keys here matchs

https://backpack.tf/profiles/76561198207603105#!/compare/1505260800/1505347200

Sale 4:

obv high outlier

https://backpack.tf/profiles/76561198034268412#!/compare/1505692800/1505779200

Sale 5:

Scm

https://backpack.tf/profiles/76561198060730470#!/compare/1497830400/1498003200

Sale 6:

Sold for Infernal Smoke Taunt: Battin' a Thousand (15) + Skill Gotten Gains Taunt: Deep Fried Desire (13), 28 keys total

https://backpack.tf/profiles/76561198061690694#!/compare/1506902400/1506988800

Gain taunt:

13 keys pure

https://backpack.tf/profiles/76561198083137273#!/compare/1506384000/1506470400

Sale 7:

sold for Isotope Specialized Killstreak Blitzkrieg Knife (Minimal Wear) (29) + ~3 keys in sweets, 32 total

https://backpack.tf/profiles/76561198083137273#!/compare/1506988800/1507075200

Knife:

29 keys pure (only 29 matches here)

https://backpack.tf/profiles/76561198078578085#!/compare/1506902400/1506988800

Sale 8:

Sold for Searing Plasma Dead Cone (20) + ~1 key in sweets

https://backpack.tf/profiles/76561198034268412#!/compare/1506816000/1506902400

Cone:

20 keys pure

https://backpack.tf/profiles/76561197998934095#!/compare/1503792000/1503964800

Sale 9:

scm

https://backpack.tf/profiles/76561198166767479#!/compare/1506816000/1506902400

Sales at 8,10,12,21,28,32,100(?)

calling sales at 8-12 low outlier because of buyers for 8-9.5 , and calling sale at ~100 high outlier

Including sales at 21,28,32 in range.

One was for awhile at 20 keys on scm, so I think 21 sale should be included: https://backpack.tf/suggestion/59cc2708cf6c7569c9070e21