Spooky

Classifieds

http://imgur.com/a/sFnZY - 3 Buyers ~2.3 Keys, 5 Buyers ~2.2 Keys

http://imgur.com/a/hAsen - 2 more Buyers ~2.2 Keys

Profiles of Buyers

http://backpack.tf/u/76561198082497772

http://backpack.tf/u/76561198316193894

http://backpack.tf/u/76561198203307876

http://backpack.tf/u/76561198010218805

http://backpack.tf/u/76561198315555780

http://backpack.tf/u/76561198130503112

http://backpack.tf/u/76561198305492646

http://backpack.tf/u/76561198315588518

http://backpack.tf/u/76561198295122993

http://backpack.tf/u/76561198207739047

History Links of Sellers

http://backpack.tf/item/4735495188

http://backpack.tf/item/4255110402

http://backpack.tf/item/4263797484

http://backpack.tf/item/4289254536

http://backpack.tf/item/4345616074

http://backpack.tf/item/4257362124

http://backpack.tf/item/4255207145

Sellers

http://www.tf2outpost.com/trade/28556940 - 2.2 Keys (Young)

http://www.tf2outpost.com/trade/28554348 - 2.2 Keys (2 Days)

http://www.tf2outpost.com/trade/28554340 - ~2.35 Keys (2 Days)

Sales

http://www.tf2outpost.com/trade/28541698 - Sold for 2 Keys + 10 Ref (Keys were 23 Refined at the time. This is ~2.4 Keys)

http://www.tf2outpost.com/trade/28521572 - Sold for 2 Keys + 12 Ref (Keys were 22 Refined at the time. This is ~2.55 Keys)

Using the sales as supportive proof for a range, and going conservative, since I don't think that 1 sale at 2.4/2.5 is sufficient proof to support either.