Also need to price this for Mindacos' request. :^)

-???, wasn’t swapped for the copper’s: http://backpack.tf/profiles/76561198168044474#!/compare/1477526400/1477612800

-sold for 16 keys pure: http://backpack.tf/profiles/76561198114243080#!/compare/1477872000/1477958400

-???, it wasn’t swapped for the cranial: http://backpack.tf/profiles/76561198122158146#!/compare/1480204800/1480291200

-???, hot dogger wasn’t involved, he/she got that from a tf2mart bot: http://backpack.tf/profiles/76561198156848488#!/compare/1476921600/1477180800

-???: http://backpack.tf/profiles/76561198288461047#!/compare/1477526400/1477612800

-sold for a smoking whoopee(11 keys, mini up in the form of a sgt) + 1 key pure + ~8 keys in sweets (20 keys total): http://backpack.tf/profiles/76561198056753441#!/compare/1478131200/1478217600

-sale above capped by a B/O of 17: http://www.tf2outpost.com/trade/28576790

-???, history: http://backpack.tf/item/3354598312 said it sold around here: http://backpack.tf/profiles/76561198191194526#!/compare/1477699200/1481328000

Taking 16-17 thanks to the sales above.

Whoopee is 12 now, but B/O still caps, so it doesn't matter.