Steaming Sole Mate

This took way too long for what its worth.

Selling:

http://imgur.com/a/5zpRE

12 day unsold @ 20

Sale 1:

http://backpack.tf/profiles/76561198138577690#!/compare/1478217600/1478304000

Sold for a Kill-a-Watt Vintage Tyrolean (23, see mini below)

X = 23

Sale 2:

http://backpack.tf/profiles/76561198027691019#!/compare/1477267200/1477353600

Sold for 11 keys pure

Sale 3:

http://backpack.tf/profiles/76561198313935698#!/compare/1478476800/1478649600

Sold for an Aussie Blutsager + ? Im probably missing something here

Sale 4:

http://backpack.tf/profiles/76561198313935698#!/compare/1479513600/1479600000

Sold for 19 keys pure

X = 19

Sale 5:

http://backpack.tf/profiles/76561198175308222#!/compare/1480118400/1480204800

Sold with ~1 key in metal/sweets for a Blizzardy Storm Bicorne (16, open suggestion)

16 - 1 = 15

X = 15

Kill-a-Watt Vintage Tyrolean Mini:

http://backpack.tf/profiles/76561198097530311#!/compare/1480636800/1481328000

Sold for 15 keys + 8 keys sweets

15 + 8 = 23

X = 23

Sales at:

23

19

15

Capping the sale at 23 at 20 due to the unsold. With 2 sales closer to 20, 15 seems like an outlier, excluding it. Using both other sales.

Final Price: 19 - 20 keys