Resuggestion from https://backpack.tf/suggestion/5ebae8b3213dad169726a0ae

//

https://marketplace.tf/items/tf2/935;5;u59

$18 = 10 keys

$18.99 = 10.5 keys

https://backpack.tf/item/7956839020

same user that sold at $18.99 is selling another at 10 keys

https://gyazo.com/c57477c3cee3a6cbd2e158f7d1fa7df4

likely 10 keys was the buyout

//

https://backpack.tf/profiles/76561198113899098#!/compare/1584748800/1584835200

https://backpack.tf/profiles/76561198142788097#!/compare/1584748800/1584835200

Planets Janissary Ketche, 1 key, 10 refined

//

https://backpack.tf/profiles/76561198003488507#!/compare/1584489600/1584576000

https://backpack.tf/profiles/76561198061353482#!/compare/1584489600/1584576000

Untraceable

//

https://backpack.tf/profiles/76561198061353482#!/compare/1584576000/1584662400

https://backpack.tf/profiles/76561198310138316#!/compare/1584576000/1584662400

Untraceable

//

https://backpack.tf/profiles/76561198310138316#!/compare/1584662400/1584748800

https://backpack.tf/profiles/76561198142788097#!/compare/1584662400/1584748800

Untraceable

//

https://backpack.tf/profiles/76561197972721861#!/compare/1588032000/1588118400

https://backpack.tf/profiles/76561198369565670#!/compare/1587859200/1588118400

Untraceable

//

https://backpack.tf/profiles/76561198071606129#!/compare/1582502400/1585526400

https://backpack.tf/profiles/76561198337734785#!/compare/1582416000/1582502400

Untraceable

//

https://backpack.tf/profiles/76561198337734785#!/compare/1582848000/1582934400

https://backpack.tf/profiles/76561198354459626#!/compare/1582848000/1582934400

Untraceable, 1 key + refined matches though

//

https://backpack.tf/profiles/76561198848034093#!/compare/1581811200/1583712000

https://backpack.tf/profiles/76561197998633442#!/compare/1584144000/1584489600

Untraceable

//

https://backpack.tf/profiles/76561197998633442#!/compare/1584144000/1584489600

https://backpack.tf/profiles/76561197972721861#!/compare/1587859200/1587945600

Untraceable

//

Sellers on MP at 9.5 keys (high key prices, rip)

Going with 9.50-10 keys, using sellers to account for the low end.

https://backpack.tf/suggestion/5ebae8b3213dad169726a0ae

https://gyazo.com/3f0b7768fafdb675fafe77a2830543ce

https://marketplace.tf/items/tf2/935;5;u59