Orbiting Planets Lucky Shot

I thought this would drop more, but I swear people use bp.tf prices too faithfully. Anyways, the suggestion:

Sellers:

http://imgur.com/a/82JIy

20 keys ~ new, owned for around a week and a half now

21 keys ~ 3 months+ unsold

Sale 1:

http://backpack.tf/profiles/76561198097135729#!/compare/1472169600/1472256000

Sold for a DBD Larrikin Robin (updated yesterday at 20)

X = 20

Sale 2:

http://backpack.tf/profiles/76561198097135729#!/compare/1472256000/1472342400

Sold for a Spec KS Aussie Black Box (15) + 5.5 pure

15 + 5.5 = 20.5, rounding to 21

X = 21

Sale 3

http://backpack.tf/profiles/76561198018456402#!/compare/1473984000/1474070400

Sold for a Kill-a-Watt Head Warmer (open suggestion at 27) + a Strange Spec KS Minigun (~1)

X = 28

Sale 4:

http://backpack.tf/profiles/76561198094132328#!/compare/1471824000/1471910400

Sold with 2 keys for a Sulphurous Stately Steel Toe (recently updated at 25) [3rd key doesn't match histories]

25 - 2 = 23

X = 23

Sale 5:

http://backpack.tf/profiles/76561198094132328#!/compare/1473379200/1473465600

Sold for a Searing Plasma Doctor’s Sack (20)

X = 20

Sale 6:

http://backpack.tf/profiles/76561198208448312#!/compare/1473552000/1473638400

Sold for 19 keys pure

Summary:

Sales at:

20

21

28

23

20

19

28 definitely seems like a high outlier, so not using that sale. Everything else looks fine, using all other sales.

Final Range: 19-23