Didn't expect someone to make a suggestion for this, counter I suppose.

Sold for a Kill-a-Watt Tyrant's Helm(3.2 with Overpay)

http://backpack.tf/profiles/76561198014541461?time=1404716400 -> http://backpack.tf/profiles/76561198014541461?time=1404841012

Sold for an Australium Professional Killstreak Scattergun(2.3 + 0.7 = 3.0 with Overpay)(Credit to Cookie Monster for this sale)

http://backpack.tf/profiles/76561198099318827?time=1405407600 -> http://backpack.tf/profiles/76561198099318827?time=1406790000

http://www.tf2outpost.com/trade/21639186#latest

http://www.tf2outpost.com/trade/21653872 Sale at 3.0(Pro Aus Scatter)

Professional Killstreak Scattergun Kit mini suggestion

All recent sales via the SCM(Keys = 2.49)

$17.25

$25.01

$34.00

$40.01

$48.00

$31.97

$31.97

$32.00

$31.25

$33.21(2)

$57.50

$44.84

$45.32

$37.43(2)

$41.28

$40.34

$46.00

$44.85

$45.45

$33.95

$37.45(2)

$39.17(2)

$39.75

$39.95

$41.87(2)

$39.40

$39.56

$36.80

$37.00

$39.98

$39.06

$36.87

$35.00

$34.49

$35.38

$39.19

$34.04

$34.30

$34.00

$26.45

$37.37

$33.36

$33.36

$33.58

$33.06

$32.60

$35.00

$29.21

$31.08(3)

$33.78(2)

$33.40

$38.98

$35.00

$39.68

$34.77(2)

$31.62

$40.25

$31.90

$37.62(2)

$33.82

$34.23

$28.71

$28.70

$30.99

$27.91(2)

$27.60

$45.59

$39.31

$45.00

$30.92(2)

$30.39

$30.40

$45.00

$52.45

$29.00

$30.97(2)

$30.50

$32.66

$33.85(2)

$33.77

$37.49(2)

$37.69(2)

$50.00

$36.57

$36.80

$36.11

$36.16

$36.80

$45.90

$36.26

$35.00

$32.08(2)

$45.62

$46.00

$39.35(2)

$33.34

$30.47

$31.34

$31.33

$30.29

$28.75

$30.87

$30.94

$30.87

$29.89

$27.01

$36.80

$54.91

$30.38

$33.09

$34.01

$31.21

$29.33

$40.13(2)

$49.25(2)

$34.27

$34.50

$46.01

$34.49

$34.24

$28.95

$44.41

$51.94

$23.00

$33.42

$34.49

$33.73

$41.86(2)

$35.65

$26.14

$34.49

$44.44

$30.00

$54.85

$42.74(2)

$56.31

$34.86

$30.84

$35.54

$57.06

$34.18(2)

$32.20

$33.35

$33.50

$35.65

$37.20

$33.50

$31.96

$34.88(2)

$32.20

$33.50

$31.97

$39.57

$34.48

$50.12(2)

$34.89

$38.52

$38.39

$38.86

$35.00

$39.99

$49.99

$39.59

$40.25

$40.25

The average comes out at $35.78(Roughly 14 Keys)

Two sales, 3-3.2 should be fine.

Additional Proof/Counter-Proof/Constructive Criticism/Feedback is always appreciated.