Sale 1)

sold for a bud + 10 keys

buds were ~9.5 keys

http://backpack.tf/profiles/76561197980878510?time=1426921200 (March 21st)

http://backpack.tf/profiles/76561197980878510?time=1427007600 (March 22nd)

http://backpack.tf/profiles/76561197980878510?time=1426921200&compare=1427007600

~20 keys

Sale 2)

sold for pro ks aussie FaN + a key + 8 ref.

http://backpack.tf/profiles/76561198109386008?time=1427439600 (March 27th)

http://backpack.tf/profiles/76561198109386008?time=1427526000 (March 28th)

.9(23)+1+.4

~22 keys

Mini on pro ks aussie fan:

Sales on SCM ~55 USD

55/2.4= ~23 keys

Sale 3)

sold for a bud + spec. ks aussie bb

http://backpack.tf/profiles/76561197968390318?time=1428130800 (April 4th)

http://backpack.tf/profiles/76561197968390318?time=1428217200 (April 5th)

Buds were ~7 keys

Adding a key for spec. ks

20*.9 + 7

~25 keys

Sale 4)

Sold for 35 keys pure

http://backpack.tf/profiles/76561198065152693?time=1428822000 (April 12th)

http://backpack.tf/profiles/76561198065152693?time=1428908400 (April 13th)

Sale 5)

Sold for duped blizzy storm elfin + 9 keys

http://backpack.tf/profiles/76561198051431077?time=1425715200 (March 7th)

http://backpack.tf/profiles/76561198051431077?time=1425801600 (March 8th)

http://www.tf2outpost.com/trade/25254422

Elfin sold for pure (trade was by that user) so no overpay is needed.

19+9= 28 keys

28 keys

Mini on elfin:

sold for 2 buds

http://backpack.tf/profiles/76561198051431077?time=1426748400 (March 19th)

http://backpack.tf/profiles/76561198051431077?time=1426834800 (March 20th)

buds were ~9.5

19 keys

Sales:

20, 22 , 25, 28, 35

Although 35 keys seems to be far off, it is the most recent sale. Taking a full range