Sale 1:

Sold for Planets Slope Scopers (17) + Green Confetti Dead Cone? Disco Beat Down Plumber's Pipe (~13) (Cheers Pampick for pointing that out)

No outpost

Seller: http://backpack.tf/profiles/76561198102853396#!/compare/1470960000/1471046400

Buyer: http://backpack.tf/profiles/76561198115865042#!/compare/1470960000/1471046400

Plumber's is indate at 14, 16 day old seller on the Plumber's Pipe at 13. 13 should be a reasonable price here.

X = 30

Sale 2:

Sold for 25 keys in ~1 day

http://www.tf2outpost.com/trade/28391028 - B/O of 35

Seller: http://backpack.tf/profiles/76561198210078136#!/compare/1470268800/1470355200

Buyer: http://backpack.tf/profiles/76561198109078898#!/compare/1470268800/1470355200

Sale 3:

Sold for ~29 keys in items

http://www.tf2outpost.com/trade/28394238 - B/O of 25

Seller: http://backpack.tf/profiles/76561198109078898#!/compare/1470960000/1471046400

Buyer: http://backpack.tf/profiles/76561198102853396#!/compare/1470700800/1470960000

X = 25 (Capped by B/O)

Sale 4:

Sold for 24 keys

http://www.tf2outpost.com/trade/28376570 - B/O of 33

Seller: http://backpack.tf/profiles/76561198065400580#!/compare/1470182400/1470268800

Buyer: http://backpack.tf/profiles/76561198210078136#!/compare/1470182400/1470268800

X = 24

Sellers:

34 keys:

http://i.imgur.com/h6aP3vx.jpg

http://backpack.tf/u/76561198070806470

Sales at:

30

25 (2x)

24

Going with 24-30

Will re-suggest at 24-25 if necessary.