5 in existence. 1 on market

Seller

http://www.tf2outpost.com/trade/25960433 B/O 64 keys (young)

Sale #1

http://www.tf2outpost.com/trade/25813634 "QS for 60 keys" -> 2 weeks unsold

Sold for clean Burning L'Inspecteur -> 65*0.9 = 59 keys low-end

Sale #2

http://www.tf2outpost.com/trade/25952890

'72 Meet the Medic + Bubbling Beak + Stormy Mountain (outdated) sold for Lantern Milkman + 2 keys (if keys were added, probably offered on the Medic's set, no overpay)

http://backpack.tf/profiles/76561198103607235?time=1431586800 -> http://backpack.tf/profiles/76561198103607235?time=1431673200

30 + 18.5 + 14 = x + 2 -> x = 61 keys high-end

Mini on Mountain Cap ~ 14 keys:

http://www.tf2outpost.com/trade/25599473

Unsold at 16 keys (comments), then B/O put at 14

http://www.tf2outpost.com/trade/25966314 14 keys (QS though)

Any pertinent comments are welcome.