Sale 1:

https://backpack.tf/profiles/76561198305492646#!/compare/1546214400/1546300800

https://backpack.tf/profiles/76561198377000248#!/compare/1546128000/1546300800

Sold for 10 keys

Sale 2:

https://backpack.tf/profiles/76561198377000248#!/compare/1550102400/1551484800

https://backpack.tf/profiles/76561198341171690#!/compare/1551312000/1551398400

QS?

Sale 3:

https://backpack.tf/profiles/76561198164966855#!/compare/1546300800/1546819200

https://backpack.tf/profiles/76561198070705963#!/compare/1546646400/1546732800

Bulk

Sale 4:

https://backpack.tf/profiles/76561198070705963#!/compare/1546992000/1547078400

https://backpack.tf/profiles/76561198026806885#!/compare/1546992000/1547078400

Sold for 10 keys

Sale 5:

https://backpack.tf/profiles/76561198026806885#!/compare/1547424000/1547510400

https://backpack.tf/profiles/76561198273661463#!/compare/1548892800/1549324800

SCM?

Sale 6:

https://backpack.tf/profiles/76561198273661463#!/compare/1548892800/1549324800

https://backpack.tf/profiles/76561198273661463#!/compare/1548892800/1549324800

SCM?

Sale 7:

https://backpack.tf/profiles/76561198030058573#!/compare/1546300800/1546387200

https://backpack.tf/profiles/76561198148139523#!/compare/1546300800/1546387200

Sold for 10 keys

Sale 8:

https://backpack.tf/profiles/76561198148139523#!/compare/1546387200/1546473600

https://backpack.tf/profiles/76561198267364698#!/compare/1546387200/1546473600

Sold with ~2 keys in sweets for Planets Bonk

Use there

Sale 9:

https://backpack.tf/profiles/76561198267589362#!/compare/1548201600/1548288000

https://backpack.tf/profiles/76561198140083209#!/compare/1548201600/1548288000

Sold for Planets Hetman + 1 key

Sale 10:

https://backpack.tf/profiles/76561198140083209#!/compare/1548201600/1548288000

https://backpack.tf/profiles/76561198269636307#!/compare/1548201600/1548288000

Untrace

Sale 11:

https://backpack.tf/profiles/76561198269636307#!/compare/1548201600/1548288000

https://backpack.tf/profiles/76561198086797398#!/compare/1548201600/1548288000

Bulk

Sale 12:

https://backpack.tf/profiles/76561198086797398#!/compare/1549929600/1550448000

QS

Sale 13:

https://backpack.tf/profiles/76561198337734785#!/compare/1550361600/1550448000

https://backpack.tf/profiles/76561198045068934#!/compare/1550361600/1550448000

Sold for ~8 keys

Sale 14:

https://backpack.tf/profiles/76561198045068934#!/compare/1550448000/1550534400

https://backpack.tf/profiles/76561198130439466#!/compare/1550448000/1550534400

Sold for ~10 keys

Sale 15:

https://backpack.tf/profiles/76561198337734785#!/compare/1548028800/1548115200

https://backpack.tf/profiles/76561198038833126#!/compare/1548115200/1548201600

Sold for ~10 keys

Sale 16:

https://backpack.tf/profiles/76561198038833126#!/compare/1548201600/1548288000

https://backpack.tf/profiles/76561198348057478#!/compare/1548201600/1548288000

Sold for St Bouncer + 2 keys

Sale 17:

https://backpack.tf/profiles/76561198348057478#!/compare/1548201600/1548288000

https://backpack.tf/profiles/76561198046393528#!/compare/1548201600/1548288000

Sold with 8 keys for Puzzle Sombrero

Bulky

Sale 18:

https://backpack.tf/profiles/76561198046393528#!/compare/1548201600/1548288000

https://backpack.tf/profiles/76561198076417722#!/compare/1548201600/1548288000

Sold for 9 keys

Sale 19:

https://backpack.tf/profiles/76561198076417722#!/compare/1548201600/1548288000

https://backpack.tf/profiles/76561198058224841#!/compare/1548201600/1548288000

Sold for ~8 keys?

Sale 20:

https://backpack.tf/profiles/76561198058224841#!/compare/1548201600/1548288000

https://backpack.tf/profiles/76561198083134207#!/compare/1548201600/1548288000

Sold for KaW Marauder? High

Total sales @:

8, 8, 9, 10, 10, 10, 10, 10 keys

Gonna say there are enough pure sales to call all unusual ones use there.

Gonna preserve the unsold at ~9.5 for a month with a range,

going with 9 - 10 keys