Sale #1:

https://backpack.tf/profiles/76561198060853328#!/compare/1548633600/1548720000

Unsure.

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #2:

https://backpack.tf/profiles/76561198060853328#!/compare/1549670400/1549756800

Unsure.

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #3:

https://backpack.tf/profiles/76561198333000396#!/compare/1550448000/1550620800

Untracable.

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #4:

https://backpack.tf/profiles/76561198004695107#!/compare/1551571200/1551657600

Sold for a Miami Nights Sober Stuntman (10.25 keys).

10 keys

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #5:

https://backpack.tf/profiles/76561198196259989#!/compare/1545523200/1545609600

Untracable.

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #6:

https://backpack.tf/profiles/76561198144493105#!/compare/1552435200/1552521600

Bulk.

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #7:

https://backpack.tf/profiles/76561198144493105#!/compare/1549756800/1550361600

Untracable.

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #8:

https://backpack.tf/profiles/76561198064060046#!/compare/1548979200/1549756800

Backpack sale?

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #9:

https://backpack.tf/profiles/76561198284701656#!/compare/1552262400/1552348800

Bulk.

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #10:

https://backpack.tf/profiles/76561198854043166#!/compare/1552089600/1552176000

Untracable.

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #11:

https://backpack.tf/profiles/76561198102384645#!/compare/1552089600/1552176000

Sold for ~8 keys? I think he bought a Bill's.

8 keys

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #12:

https://backpack.tf/profiles/76561198337734785#!/compare/1551052800/1551139200

Unsure.

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #13:

https://backpack.tf/profiles/76561198239328092#!/compare/1550620800/1550707200

Sold for 8 keys and 13 ref.

8 keys

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #14:

https://backpack.tf/profiles/76561198239242582#!/compare/1550620800/1550707200

Sold for 8 keys and 10 ref.

8 keys

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #15:

https://backpack.tf/profiles/76561198133534437#!/compare/1550448000/1550707200

Unsure.

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #16:

https://backpack.tf/profiles/76561198061464918#!/compare/1550102400/1550188800

Unsure.

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #17:

https://backpack.tf/profiles/76561198074895734#!/compare/1547078400/1547164800

Sold for a Searing Plasma Commando Elite (11 keys).

11 keys

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #18:

https://backpack.tf/profiles/76561198092861218#!/compare/1545436800/1545609600

Untracable.

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #19:

https://marketplace.tf/items/30029;5;u58

Sold for $18.85.

$18.85 / $1.73 = ~11 keys

11 keys

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #20:

https://marketplace.tf/items/30029;5;u58

Sold for $18.85.

$18.85 / $1.73 = ~11 keys

11 keys

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #21:

https://marketplace.tf/items/30029;5;u58

Sold for $14.02.

$14.02 / $1.79 = ~8 keys

8 keys

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Sale #22:

https://marketplace.tf/items/30029;5;u58

Sold for $18.

$18 / $1.80 = 10 keys

10 keys

Seller at 9 keys determines low-end (https://i.imgur.com/tC7T1gt.png).