Grounded.

Sale 1:

Sold with 2 keys for Green Confetti Galvanized Gibus (48.5)

No outpost

Seller: https://backpack.tf/profiles/76561198075610620#!/compare/1502150400/1502409600

Buyer: https://backpack.tf/profiles/76561198213910941#!/compare/1502236800/1502409600

X = 47

Sale 2:

Sold for Vivid Plasma Tree (Suggestion at 32.5) + 5 keys + <0.5 keys in items

No outpost

Seller: https://backpack.tf/profiles/76561198047838805#!/compare/1503100800/1503187200

Buyer: https://backpack.tf/profiles/76561198271935163#!/compare/1503100800/1503187200

X = 38

Sale 3:

Sold for Strange Vivid Noble (Mini at 37 below)

http://www.tf2outpost.com/trade/29310391 - B/O of 31

Seller: https://backpack.tf/profiles/76561198044821203#!/compare/1502064000/1502150400

Buyer: https://backpack.tf/profiles/76561198075610620#!/compare/1501977600/1502150400

X = 31 (Capped by B/O)

Sale 4:

Sold in ~2-3 days for 30 keys

Seller: https://backpack.tf/profiles/76561198213910941#!/compare/1502409600/1502668800

Buyer: https://backpack.tf/profiles/76561198089640517#!/compare/1502496000/1502668800

X = 30

Sale 5:

Quicksold for 29 keys

http://www.tf2outpost.com/trade/29330790 - B/O of 30

Seller: https://backpack.tf/profiles/76561198309937181#!/compare/1502841600/1502928000

Buyer: https://backpack.tf/profiles/76561198037636076#!/compare/1502841600/1502928000

X = 29

Sale 6:

Quicksold for 28 keys + 15 ref (>0.5)

http://www.tf2outpost.com/trade/29332051 - No B/O

Seller: https://backpack.tf/profiles/76561198037636076#!/compare/1502841600/1502928000

Buyer: https://backpack.tf/profiles/76561198166124798#!/compare/1502755200/1502928000

X = 29

Sale 7:

Quicksold for 28 keys

Seller: https://backpack.tf/profiles/76561198239545120#!/compare/1502755200/1502841600

Buyer: https://backpack.tf/profiles/76561198309937181#!/compare/1502755200/1502841600

X = 28

Sale 8:

Sold with 2 keys for Phantasm Jr Brigade Helm

Seller: https://backpack.tf/profiles/76561198262219044#!/compare/1502409600/1502755200

Buyer: https://backpack.tf/profiles/76561198066400628#!/compare/1502668800/1502755200

Probably better to use this on the Brigade.

Sale 9:

Sold for Disco Beat Down Hat of Cards

Seller: https://backpack.tf/profiles/76561198045173401#!/compare/1502755200/1502841600

Buyer: https://backpack.tf/profiles/76561198239545120#!/compare/1502755200/1502841600

Can be used on the hat of cards.

Strange Vivid Noble Mini:

Sale 1:

Sold with 2 keys for Circling Heart Airdog (26.5) + Stormy Pug (10.5) + <0.5 keys in items

No outpost

Seller: https://backpack.tf/profiles/76561198044821203#!/compare/1502236800/1502323200

Buyer: https://backpack.tf/profiles/76561198153806405#!/compare/1502323200/1502409600

X = 37

Sale 2:

Quicksold for 28 keys

Seller: https://backpack.tf/profiles/76561197963500354#!/compare/1500595200/1500681600

Buyer: https://backpack.tf/profiles/76561198075610620#!/compare/1500595200/1500681600

x = 28

Going with 37 on the noble.

Vivid Tree:

https://backpack.tf/suggestion/599bf6fecf6c757bf43bd0c7

Sales at:

28

29 (2x)

30

31

38

47

No current sellers.

Not excluding 30. These quicksales occurred far too often. Will exclude 29 and 28 though.

47 is a clear outlier. Excluding 47.

Going with 30-38.