Seems a little high for a 3rd Gen Robo...

Sale #1

Sold for a Circling Heart Ol' Geezer (~26, mini below)

http://www.tf2outpost.com/trade/25898476

Before: http://backpack.tf/profiles/76561198039260384?time=1430809200

After: http://backpack.tf/profiles/76561198039260384?time=1430982000

26*.9 = 23.4 rounding to 23 keys

C. Heart Geezer mini

http://www.tf2outpost.com/trade/23854890 - B/O: 26

Sale #2

Sold for a Gifted Steaming Headwarmer (~13.5, mini below) + Pro Festive Flamethrower (~9.3, mini below)

Before: http://backpack.tf/profiles/76561198133253767?time=1431047536

After: http://backpack.tf/profiles/76561198133253767?time=1431068400

13.5 + 9.3 = 22.8 *.9 = 20.5 rounding to 21 keys

Gifted Steaming Headwarmer mini:

Sold for a Circling Peace Sign Familiar Fez (~13.5)

http://backpack.tf/profiles/76561198043892979?time=1429772400

http://backpack.tf/profiles/76561198043892979?time=1429945200

=13.5

Pro F. Flamethrower mini

http://steamcommunity.com/market/listings/440/Professional%20Killstreak%20Festive%20Flame%20Thrower

Most recent sale ay $22.27, Keys were $2.39 at the time

22.27/2.39 = ~9.3

Sale #3

Sold for a Blizzardy Storm Larrikin Robin (~19, mini below) + S. Degreaser (~1.4) + ~5.6 keys worth of sweets

http://www.tf2outpost.com/trade/25849817

http://backpack.tf/profiles/76561198061110181?time=1430463600

http://backpack.tf/profiles/76561198061110181?time=1430550000

19 + 1.4 + 5.6 = 26*.9 = 23.4 rounding to 23 keys

B. Storm Larrikin mini

Can't find a proper mini, using old price

Sale #4

Sold for a Stormy Storm Capo's Capper (~17.5, mini below) + TS Bill's (~2.8)

http://www.tf2outpost.com/trade/25847988

Before: http://backpack.tf/profiles/76561198061110181?time=1430031600

After: http://backpack.tf/profiles/76561198061110181?time=1430463600

17.5 + 2.8 = 20.3*.9 = 18.3 rounding to 18 keys -> Outlier

S. Storm Capo's mini

Can't find a proper mini, using old price

Sale #5

Sold for a Miami Nights Brigade (~25, mini below)

Before: http://backpack.tf/profiles/76561198079977233?time=1429254000

After: http://backpack.tf/profiles/76561198079977233?time=1429340400

25*.9 = 22.5 rounding to 23 keys

MN Brigade mini

Sold w/ a Conga (~0.9) for a Max Head (~26)

Before: http://backpack.tf/profiles/76561198152439964?time=1430204400

After: http://backpack.tf/profiles/76561198152439964?time=1430290800

26 - 0.9 = 25.1 rounding to 25 keys, no overpay

Additional and Counter Evidence is always appreciated.

Homework out ヽ༼ຈل͜ຈ༽ﾉ