I like Plasma

Pricing unpriced unusuals is a blast

Sellers: - https://snag.gy/m7GBgA.jpg

https://backpack.tf/item/6045413389 - 2 Days @ (30) Keys

https://backpack.tf/item/6077832587 - 11 Days @ 38 Keys

Sale 1)

https://backpack.tf/profiles/76561198010763813#!/compare/1496534400/1496620800 - No Idea

Sale 2)

https://backpack.tf/profiles/76561198156255538#!/compare/1501200000/1501286400 - Sold for a Circling Peace Blast Defense (18) + 4 Keys + ~10 in Sweets = (32)

B/O: Was 35 Keys http://www.tf2outpost.com/trade/29224809

Sale 3)

https://backpack.tf/profiles/76561198353731067#!/compare/1497225600/1497312000 - No Idea

Sale 4)

https://backpack.tf/profiles/76561198217363140#!/compare/1497225600/1497398400 - Bulk

Sale 5)

https://backpack.tf/profiles/76561198217363140#!/compare/1498176000/1498262400 - Bulky

Sale 6)

https://backpack.tf/profiles/76561198072932607#!/compare/1498867200/1499212800 - Sold with a Purple Confetti Master's Yellow Belt (28) for '72 Fountain of Delight Hellish Inferno (50) - Bulky (50 on the taunt due to Unsold)

Sale 7)

https://backpack.tf/profiles/76561198174428289#!/compare/1503705600/1503964800 - Using there (2 Years outdated)

Sale 8)

https://backpack.tf/profiles/76561198104285450#!/compare/1500681600/1500940800 - Sold for a Stormy Storm Soldered Sensei (31)

B/O: Was "offers" http://www.tf2outpost.com/trade/29268678

Sale 9) Confirmed Here: https://i.imgur.com/VXwYXLs.png (Thanks Jarool)

https://backpack.tf/profiles/76561198006295346#!/compare/1504742400/1505174400 - Sold with 5 Keys for a Purple Energy Bolted Bicorne (26) = (21)

B/O: Was 29 Keys http://www.tf2outpost.com/trade/29366234

Sale 10)

https://marketplace.tf/items/30863;5;u15 - Sale ~(23) Keys

Sales we have are:

21, 23, 31 and 32

I feel that 23 (and 21) is low compared to other effects

Using Unsold as low-end

Thanks =)