Sold for 7 keys + ~0.7 keys in metal ~8 keys

http://backpack.tf/profiles/76561198138601374?time=1425456000 (March 4th)

http://backpack.tf/profiles/76561198138601374?time=1425542400 (March 5th)

———

http://www.tf2outpost.com/trade/25114401

Sold for 3 keys + Bill's (3 keys) + Strange Fancy Dress Uniform w/ Kills Part (3.3 keys)

http://backpack.tf/profiles/76561198078180880?time=1424160000 (February 17th)

http://backpack.tf/profiles/76561198078180880?time=1424246400 (February 18th)

((3 + 3.3) * 0.9) + 3 = 8.67 keys; rounded to 9 keys

———

Sold for Specialized SF GL (6) + Gifted Strange Specialized Killstreak Silver Botkiller Rocket Launcher Mk.II w/ Damage Dealt (3.33)

http://backpack.tf/profiles/76561198072677277?time=1423296000 (February 7th)

http://backpack.tf/profiles/76561198072677277?time=1423382400 (February 8th)

(6 + 3.33) * 0.9 = 8.34; rounded to 8 keys

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Specialized SF GL:

http://steamcommunity.com/market/listings/440/Strange%20Specialized%20Killstreak%20Festive%20Grenade%20Launcher

Around $15.5/13.47 (6 keys) at the time of sale

Gifted Strange Specialized Killstreak Silver Botkiller Rocket Launcher Mk.II w/ Damage Dealt:

Sold for Unique Pro KS Shotgun (2.33 keys) + Flamethrower w/ Projectiles Reflected (1 key)

http://backpack.tf/profiles/76561198072677277?time=1423728000 (February 12th)

http://backpack.tf/profiles/76561198072677277?time=1423900800 (February 14th)

2.33 + 1 = 3.33 keys

Unique Pro Shotgun:

http://steamcommunity.com/market/listings/440/Professional%20Killstreak%20Shotgun

Around $6/5.2 (~2.33 keys) at the time of sale.

Flamethrower w/ Projectiles Reflected:

Sold for V. Fancy Fedora painted white (white paint was removed later)

http://backpack.tf/item/3667684856

http://backpack.tf/item/8159462

White V. Fancy Fedora:

http://www.tf2outpost.com/trade/25799651 Seller for 1 key