Sale #1(Going to call this an outlier)

http://www.tf2outpost.com/trade/17971062

Sold for Glasgow Great Helm Blizzardy Storm(2.05 * 0.9 = ~1.9 buds) + ~2 keys in Sweet(Strange Antartic researcher)

Backpack of seller

http://backpack.tf/profiles/76561198049558064?time=1393279949 Before

http://backpack.tf/profiles/76561198049558064?time=1396767600 After

Backpack of buyer

http://backpack.tf/profiles/76561198044407703?time=1395903600 Before

http://backpack.tf/profiles/76561198044407703?time=1396574950 After

Total: ~2 buds

Sale #2(Going to call this an outlier to make the range narrower)

http://www.tf2outpost.com/trade/19376122

Sold for Strange Australium Minigun (1.75 * 0.9 = ~1.6 buds)

Backpack of seller

http://backpack.tf/profiles/76561198101256571?time=1398236400 Before

http://backpack.tf/profiles/76561198101256571?time=1398409200 After

Backpack of buyer

http://backpack.tf/profiles/76561198058221563?time=1398322800 Before

http://backpack.tf/profiles/76561198058221563?time=1398409200 After

Total: ~1.6 buds

Sale #3(Going to call this an outlier to make the range narrower)

http://www.tf2outpost.com/trade/19435583

Sold for Disco Beat Down Vintage Merryweather(4.25 * 0.9 = ~3.8 buds)

Backpack of seller

http://backpack.tf/profiles/76561198058221563?time=1398322800 Before

http://backpack.tf/profiles/76561198058221563?time=1398409200 After

Backpack of buyer

http://backpack.tf/profiles/76561198022195242?time=1398322800 Before

http://backpack.tf/profiles/76561198022195242?time=1398440235 After

Sale #4

http://www.tf2outpost.com/trade/19552639

Sold for Large Luchadore Terror-Watt(3.25 * 0.9 = ~2.9 buds)

Backpack of seller

http://backpack.tf/profiles/76561198022195242?time=1399014000 Before

http://backpack.tf/profiles/76561198022195242?time=1399100400 After

Backpack of buyer

http://backpack.tf/profiles/76561198025329724?time=1399014000 Before

http://backpack.tf/profiles/76561198025329724?time=1399167246 After

Total: ~2.9 buds

Sale #5

http://www.tf2outpost.com/trade/19158650

Sold for Gentleman's Ushanka Miami Night (1.8 * 0.9 = ~1.6 buds) Refer to mini suggestion + 14 keys + ~6.5 keys in Sweets( Villain's Veil(1 key) + Strange Professional Flare gun(5.5 keys) Refer to mini suggestion)

Backpack of seller

http://backpack.tf/profiles/76561198025560677?time=1397977200 Before

http://backpack.tf/profiles/76561198025560677?time=1398063600 After

Backpack of buyer

http://backpack.tf/profiles/76561198101256571?time=1397977200 Before

http://backpack.tf/profiles/76561198101256571?time=1398071179 After

Total: ~2.7 buds

Invalid sales

Sale #6

http://www.tf2outpost.com/trade/18968402

Sold for Ze Goggles Sulphurous(Not priced)

Sale #7 Unsure

http://www.tf2outpost.com/trade/19081538

Not quite sure the content of the sale but it seems that the buyer dropped 14 buds to 12 buds pure. Might have paid 2 buds pure for it.

Backpack of seller

http://backpack.tf/profiles/76561198028136838?time=1396767600 Before

http://backpack.tf/profiles/76561198028136838?time=1396974683 After

Backpack of buyer

http://backpack.tf/profiles/76561198025560677?time=1396854000 Before

http://backpack.tf/profiles/76561198025560677?time=1396974851 After

Mini suggestion

Strange Professional Flare gun

1. http://www.tf2outpost.com/trade/19401515 b/o 5 keys

2. http://www.tf2outpost.com/trade/18788261 Sold for 6 key

3. http://www.tf2outpost.com/trade/19204788 b/o 6 keys.

A range of 5 keys - 6 keys. Taking 5.5 keys as mini suggestion price.

Miami night Gentleman's Ushanka

http://backpack.tf/vote/id/53795de24cd7b863588b4ad3