Plasma Billy

sale 1

http://backpack.tf/profiles/76561198003667513#!/compare/1461283200/1461369600

Sold for ~3 in sweets + Steaming Powdered Practitioner (17)

Mini on Practitioner:

http://backpack.tf/profiles/76561198003667513#!/compare/1461196800/1461283200

Sold with 1 pure for a Specialized Australium Ambassador (18)

Practitioner = 17

x=3+17

x=20

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sale 2

http://backpack.tf/profiles/76561197960959453#!/compare/1457078400/1457337600

Unclear, probably bulk

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sale 3

http://backpack.tf/profiles/76561198070250012#!/compare/1459900800/1460160000

Sold for a Kill-a-Watt L'Inspecteur (14)

x=14

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sale 4

http://backpack.tf/profiles/76561198120594001#!/compare/1457856000/1458630000

Sold with ~4 in sweets for a c.9 billcock (19)

x+4=19

x=15

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sale 5

http://backpack.tf/profiles/76561198026328812#!/compare/1460419200/1460505600

Sold with Smoking Sober Stuntman (11) for a max (30)

Mini on Smoking Sober Stuntman

http://puu.sh/oOtVP/f16293fc85.png - 11

x+11=30

x=19

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sale 6

http://backpack.tf/profiles/76561198155659357#!/compare/1460332800/1460419200

Using to update the Circling TF Logo Cosa Nostra Cap

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Sellers:

http://www.tf2outpost.com/trade/28136474 - 18 (1 week)

http://www.tf2outpost.com/trade/28054263 - 24 (1 month)

http://www.tf2outpost.com/trade/28105106 - 25 (2 weeks)

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Sales at 14,15,19,20. 14 is too low, 20 too high. Going with 15-19 (per foamy's suggestion)

Counter/Supporting proof is appreciated!