Sale 1:

Sold with 2 keys for Duped Logo Blighted Beak (Mini at 46 below)

http://www.tf2outpost.com/trade/28843232 - No B/O

Seller: http://backpack.tf/profiles/76561198093998184#!/compare/1490140800/1490227200

Buyer: http://backpack.tf/profiles/76561198192901325#!/compare/1490140800/1490227200

X = 44

Sale 2:

Sold for 37 keys

http://www.tf2outpost.com/trade/28805459 - B/O of 45, ~1 week prior to sale

Seller: http://backpack.tf/profiles/76561198149345069#!/compare/1488585600/1488844800

Buyer: http://backpack.tf/profiles/76561198074849590#!/compare/1488758400/1488844800

X = 37

Sale 3:

Quicksold for 35 keys

http://www.tf2outpost.com/trade/28837624 - B/O of 38

Seller: http://backpack.tf/profiles/76561198134105703#!/compare/1489968000/1490054400

Buyer: http://backpack.tf/profiles/76561198093998184#!/compare/1490054400/1490140800

X = 35

Sale 4:

Bulk for Scorching Modest

Seller: http://backpack.tf/profiles/76561198074849590#!/compare/1489190400/1489276800

Buyer: http://backpack.tf/profiles/76561198077598622#!/compare/1489190400/1489276800

Duped Logo Beak Mini:

Sale 1:

Sold for 48 keys

http://www.tf2outpost.com/trade/28766306 - B/O of 48

Seller: http://backpack.tf/profiles/76561198080179568#!/compare/1486512000/1486598400

Buyer: http://backpack.tf/profiles/76561198219085215#!/compare/1483315200/1486684800

X = 48

Sale 2:

Sold for 44 keys

No outpost

Seller: http://backpack.tf/profiles/76561198344933095#!/compare/1491091200/1491177600

Buyer: http://backpack.tf/profiles/76561198044949718#!/compare/1491091200/1491177600

X = 44

Going with 44-48 (46) on the beak.

Sellers:

60 keys:

http://i.imgur.com/Kf272md.png - 10 days

http://backpack.tf/u/76561198066434918

Sales at:

35

37

44

35 quicksold. Excluding 35.

38 sold in a somewhat short amount of time, for much less than the B/O. Excluding 38.

Going with 44 flat.