Resubmitting because I learned that the overpay rules have been completely removed. This makes the range from the previous sales a lot firmer.

Here is my proof:

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Sale 1 (My Purchase):

Kill-a-Watt Antlers sold for 80 Pure Keys, a Pro. KS Australium Force-A-Nature (23 Keys, not counting the parts), and a Spec. KS Australium Black Box (22 Keys).

Total = 125 Keys

BP Before: http://backpack.tf/profiles/76561198025166909?time=1452067200

BP After: http://backpack.tf/profiles/76561198025166909?time=1452153600

(Prices for the Pro. KS Aussie Force-a-Nature and Spec. KS Aussie Black Box were taken from the SCM at the time of the sale and converted into keys based on their going rate at the time.)

Now, for those of you who actually counted the keys in this sale, you're probably thinking "WTF, that was only 75 keys. Why did he list the sale at 80 Pure?" The answer to that is the final 5 keys in my bag aren't tradeable until Sunday. When they become tradeable, I will be sending them to the seller to finalize the deal. I can and will provide proof of this when the sale is completed.

Also, I AM aware that there are currently quicksellers for Pro KS Aussie FaNs and Spec KS Aussie Black Boxes, which would bring the price of this sale down by a few keys, but I think it's fine considering I ignored 10 keys worth of parts on the Pro KS Aussie FaN in this suggestion.

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Sale 2:

Kill-a-Watt Antlers sold for 106 Pure Keys and a $50 Steam Market Code (Check comments from previous suggestion).

Total = 106 Pure + ~20 Keys in Value = ~125 Keys

BP Before: http://backpack.tf/profiles/76561198049096040?time=1450944000

BP After: http://backpack.tf/profiles/76561198049096040?time=1451030400

In the last suggestion, I learned that the hat in question was purchased with 106 actual keys, as well as a code for $50 in Steam Funds. Comments can be checked here: http://backpack.tf/vote/id/568eefdeb98d882278e94ae8

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Sale 3:

Kill-A-Watt Antlers sold for a Blizzardy Storm Brown Bomber (95 Keys) and a S.F. Medi Gun (20 Keys).

Total = (95 Keys + 20 Keys) = 115 Keys Total.

BP Before: http://backpack.tf/profiles/76561198068651268?time=1451030400

BP After: http://backpack.tf/profiles/76561198068651268?time=1451203200

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Sale 4:

Kill-A-Watt Antlers was traded 1:1 for a Sunbeams Vintage Tyrolean (125 Keys).

Total = 125 Keys.

BP Before: http://backpack.tf/profiles/76561198129335801?time=1449388800

BP After: http://backpack.tf/profiles/76561198129335801?time=1449648000

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Minis:

Total: 125 Keys

BP Before: http://backpack.tf/profiles/76561198074578593?time=1447228800

BP After: http://backpack.tf/profiles/76561198074578593?time=1447315200

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If there are any other recent sale I have missed, or if I made any errors with the sales data or my calculations, please post them below and I will gladly factor them into the total price and resuggest!

Let it Scoot.