A well-deserved update.

Sale #1:

Sold for $115.21-$132.25 on the market.

~46-53 keys at $2.49 per key.

http://backpack.tf/item/4180326889

http://imgur.com/a/JAuFO

I don't have a screenshot of the sale, but the seller confirms it. I also brought this up in the previous suggestion:

https://backpack.tf/suggestion/57094ca6866747590c6d1e54#comment-570f6b9f83de6b1ad3305551

Buyer's profile:

http://steamcommunity.com/profiles/76561198241419392

Sale #2:

http://www.tf2outpost.com/trade/28103943

https://backpack.tf/profiles/76561198121117093#!/compare/1461542400/1461628800

http://i.imgur.com/PHiu2sI.png

Sold for Smoking Beak (36) + Power Surge Gonzila (18)

36 + 18 = 54 keys; caps at buyout of 50 keys

Sale #3:

Sold in ~1 day for 32 keys

http://backpack.tf/item/3805476679

http://i.imgur.com/iWwzcpt.png

Outlier.

Smoking Beak:

https://backpack.tf/suggestion/57251e91c440453ac372077c

Power Surge Gonzila:

https://backpack.tf/suggestion/57251954c44045360d5b39d7