Updating previously owned unusual #2

Resuggesting from http://backpack.tf/vote/id/55e5ca43b98d8848248b4610 . Thanks to Teeny Tiny Cat for the help.

Sales

1) I bought it for 10.5 keys pure (10 keys + 8 refs). It's almost impossible to take a screenshot of the effect using the snipping tool, so you can check it on backpack links:

http://imgur.com/73y2waO

http://backpack.tf/profiles/76561197964393843?time=1440745200 (Aug. 28th vs 29th)

http://backpack.tf/item/3040943297

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2) I sold it for $33.89 (after taxes) on SCM.

http://imgur.com/syzS6x2 ---- took ~2 days.

http://backpack.tf/profiles/76561197964393843?time=1440831600 (Aug 29th vs 30th)

What the buyer paid: $33.89*1.15/2.46= ~16 keys

What i received: $33.89/2.46= ~14 keys

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3) (Not used) Sold for a Strange Specialized Killstreak Festive Flame Thrower (?) + 3.66 refs in sweets

http://backpack.tf/profiles/76561198057438720?time=1440572400 (Aug. 26th vs 28th)

Mini on the Festive F.T. (Steam Market in $): 11.26 16.41 15.02 15.01 13.80 10.41 12.24 16.29 = ~$13.80 = ~4.8-5.6 keys

Either i'm missing something, or this is a big outlier.

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4) Sold for 10 keys pure

http://backpack.tf/profiles/76561198049821475?time=1438758000 (Aug 5th vs 6th)

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5) Sold for a Strange Professional Killstreak Disciplinary Action (?) + 6 keys

http://backpack.tf/profiles/76561198066435523?time=1435993200 (July 4th vs 5th)

Mini on the Disciplinary (Steam Market in $ from July): well, i can't properly take a mean on July sales, but from what i see sales are around $7.5-11, taking $9.25 --- ~3.3-3.8 keys

Back at the main sale: 3.55*0.9+6= ~9 keys

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And that's about it. I found more sales, but some of them involved high tier hats, others didn't make any sense (probable SCM sales) and in others i couldn't figure out exact items involved because of big history gaps.

Classifieds buyers

http://imgur.com/Ew6pbCS

One valid buyer for 10 keys, and another one for 9 keys.

Summary

- Sales for 11 (10.5) 14-16 10 9

- One valid buyer for 10 keys, and another one for 9 keys on classifieds.

- I will remove 9 and 10 key sales based on classifieds quickbuyers and take 11-16 keys range, which seems like the most reasonable price. SCM sale took 2 days and there aren't more Smoking Thirst Bloods on the market right now, so that one shouldn't be an outlier.

Feedback and criticism about the range i took there, or anything else is welcome!