Sale 1:

Sold for Bubbling Backwards Ballcap (Mini at 16 below) + 4 keys + ~2 keys in paints

http://www.tf2outpost.com/trade/28423651 - B/O of 21

Seller: https://backpack.tf/profiles/76561198079008742#!/compare/1489190400/1498176000

Buyer: https://backpack.tf/profiles/76561198390580688#!/compare/1498089600/1498176000

X = 21 (Capped by B/O)

Sale 2:

Sold with Rancho (>0.5) for Stormy Napper’s (Mini at 16.5 keys below) + 2 keys

No outpost

Seller: https://backpack.tf/profiles/76561198112909836#!/compare/1493856000/1493942400

Buyer: https://backpack.tf/profiles/76561198042132655#!/compare/1493856000/1493942400

X = 18

Sale 3:

Sold with a key for Circling Heart Stormin’ Norman (22.5)

http://www.tf2outpost.com/trade/29179127 - B/O of 16

Seller: https://backpack.tf/profiles/76561198067055238#!/compare/1494028800/1494115200

Buyer: https://backpack.tf/profiles/76561198025018960#!/compare/1494028800/1494115200

X = 16 (Capped by B/O)

Sale 4:

Sold for 16 keys

http://www.tf2outpost.com/trade/29208222 - B/O of 17

Seller: https://backpack.tf/profiles/76561198002757046#!/compare/1497744000/1497830400

Buyer: https://backpack.tf/profiles/76561198195612715#!/compare/1497744000/1497830400

X = 16

Sale 5:

Quicksold for 15 keys + High Five (<0.5)

No outpost

Seller: https://backpack.tf/profiles/76561198108030435#!/compare/1494374400/1494460800

Buyer: https://backpack.tf/profiles/76561198377476473#!/compare/1494374400/1494460800

X = 15

Sale 6:

Sold with 4 keys for Cloud 9 Tyrantium Helmet

http://www.tf2outpost.com/trade/28888591 - B/O of 17

Seller: https://backpack.tf/profiles/76561198050062763#!/compare/1493337600/1493424000

Buyer: https://backpack.tf/profiles/76561197964499284#!/compare/1493337600/1493424000

Was used on the Tyrantium

Sale 7:

Sold with ~4 keys in pure/items for Circling TF Logo Crocleather Slouch

http://www.tf2outpost.com/trade/28997406 - B/O of 20

Seller: https://backpack.tf/profiles/76561198025018960#!/compare/1494374400/1494460800

Buyer: https://backpack.tf/profiles/76561198108030435#!/compare/1494374400/1494460800

Should be used on the Croc

Sale 8:

Bulk for Purple Confetti Charmer’s Chapeau

Seller: https://backpack.tf/profiles/76561198192131293#!/compare/1494460800/1494547200

Buyer: https://backpack.tf/profiles/76561198067055238#!/compare/1494460800/1494547200

Stormy Napper’s Mini:

https://backpack.tf/suggestion/594d2349cf6c75710a1c4452

Bubbling Ballcap Mini:

Sold for Blizzardy Storm Samur-Eye (16)

No outpost

Seller: https://backpack.tf/profiles/76561198050745352#!/compare/1495065600/1495238400

Buyer: https://backpack.tf/profiles/76561198057575165#!/compare/1495065600/1495238400

X = 16

Sellers:

16 keys:

http://i.imgur.com/Fj0an22.png - 2 days

https://backpack.tf/u/76561198002757046

20 keys:

http://i.imgur.com/5coH91h.png - young

https://backpack.tf/u/76561198390580688

http://www.tf2outpost.com/trade/29240923

Sales at;

15

16 (2x)

18

21

15 quicksold, excluding 15.

Normally would exclude 21, but the sale for the heart norman sold very quick, and without a B/O cap would be around the same price as the high end. Also, the low-end is pretty close to the quicksale at 15.

Going with 16-21.