Sale #1:

https://backpack.tf/profiles/76561198050849650#!/compare/1548806400/1548892800

Untraceable.

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

Sale #2:

https://backpack.tf/profiles/76561198093009729#!/compare/1550620800/1550966400

Untraceable.

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

Sale #3:

https://backpack.tf/profiles/76561198419385387#!/compare/1551052800/1551139200

Untraceable.

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

Sale #4:

https://backpack.tf/profiles/76561198247418240#!/compare/1554681600/1554854400

Untraceable.

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

Sale #5:

https://backpack.tf/profiles/76561198342161127#!/compare/1549497600/1549584000

Sold for 13 keys and a Miami Nights Hetman's Headpiece (11 keys).

https://backpack.tf/profiles/76561198035280371#!/compare/1547078400/1547164800

24 keys

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

Sale #6:

https://backpack.tf/profiles/76561198192602363#!/compare/1552176000/1552348800

Sold for 24 keys.

24 keys

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

Sale #7:

https://backpack.tf/profiles/76561198012503085#!/compare/1552262400/1552348800

Untraceable.

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

Sale #8:

https://backpack.tf/profiles/76561198012503085#!/compare/1552435200/1552521600

Bulk.

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

Sale #9:

https://backpack.tf/profiles/76561198186716607#!/compare/1552953600/1553126400

Untraceable.

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

Sale #10:

https://backpack.tf/profiles/76561198089830691#!/compare/1553817600/1553904000

Untraceable.

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

Sale #11:

https://backpack.tf/profiles/76561198415132597#!/compare/1550448000/1553904000

Untraceable.

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

Sale #12:

https://backpack.tf/profiles/76561198322560312#!/compare/1553990400/1554249600

Untraceable.

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

Marketplace.tf stats:

https://marketplace.tf/items/30658;5;u56

Past 90 days:

1x $46.99 ($46.99 / $1.79 = ~26 keys)

1x $30 ($30 / $1.79 = ~17 keys)

2x $44.99 ($44.99 / $1.79 = ~25 keys)

1x $29 ($29 / $1.78 = ~16 keys)

3x $47.99 ($47.99 / $1.80 = ~27 keys)

1x $47 ($47 / $1.82 = ~26 keys)

1x $37.17 ($37.17 / $1.75 = ~21 keys)

Sales:

16, 17, 21, 24, 24, 25, 26, 26, 27. Going with 21 - 25 keys due to unsold for 3 months @ 26 keys.