C9 Bombing Run

Sale 1: 12 keys + 23 refined --> rounding to 13

https://backpack.tf/profiles/76561198017425772#!/compare/1528243200/1528329600

https://backpack.tf/profiles/76561198382589541#!/compare/1528156800/1528243200

Sale 2: Sold for Circling TF Logo Sky High Fly Guy (13.5) + 3 keys pure --> 16.5; caps at 13

https://backpack.tf/profiles/76561198334066390#!/compare/1526947200/1527379200

B/O 13 keys: https://i.imgur.com/2T6qwLM.png

Sale 3: Sold for 9 keys + 22 refined --> rounding to 10

https://backpack.tf/profiles/76561198312583107#!/compare/1525132800/1525219200

https://backpack.tf/profiles/76561198262902995#!/compare/1525132800/1525219200

Sale 4: 12 keys pure

https://backpack.tf/profiles/76561198047619250#!/compare/1523664000/1523750400

https://backpack.tf/profiles/76561198049149130#!/compare/1523232000/1523664000

Sale 5: 11 keys + 26 refined --> rounding to 12

https://backpack.tf/profiles/76561198259036796#!/compare/1523318400/1523404800

https://backpack.tf/profiles/76561198382589541#!/compare/1523232000/1523404800

Sale 6: 12 keys (QS; sold same day)

https://backpack.tf/profiles/76561198091502579#!/compare/1525305600/1525564800

https://backpack.tf/profiles/76561198406607156#!/compare/1525478400/1525564800

Sale 7: 22 USD on mp.tf; 1 key = 1.94 USD --> 11.3; rounding to 11

https://marketplace.tf/items/249;5;u58

Sale 8: Sold for Galactic Codex Universal Translator

https://backpack.tf/profiles/76561198262902995#!/compare/1526688000/1526774400

Can be used there

Sale 9: Sold together with Strange Pocket Pyro (1.5) for Orbiting Planets Vintage Tyrolean

https://backpack.tf/profiles/76561198360989877#!/compare/1527379200/1527465600

Can be used there

Sale 10: Bot transfer

https://backpack.tf/profiles/76561198385940902#!/compare/1523577600/1523664000

Sale 11: Untraceable

https://backpack.tf/profiles/76561198123578394#!/compare/1524441600/1524700800

https://backpack.tf/profiles/76561198382589541#!/compare/1524614400/1524700800

Sale 12: Sold for Blizzardy Storm Lord Cockswain's Pith Helmet

Should be used there

https://backpack.tf/profiles/76561198334066390#!/compare/1526515200/1526688000

Bot.TF sales (credits Erik): Plenty at 12 keys

https://gyazo.com/2a73c0431fd4e6e5b69e52dcd7ec150e

Buyer at 11; sellers at 12.X https://i.imgur.com/I192nlq.png

Sales at: 11, 13, 13 17 + plenty bot.tf sales at 12

Suggesting range from 12 to 13. 11 is countered by buyers. Everything above 13 seems too high