Sale #1:

https://backpack.tf/profiles/76561198085685000#!/compare/1547683200/1548201600

Untraceable.

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

Sale #2:

https://backpack.tf/profiles/76561198363395191#!/compare/1548892800/1548979200

Untraceable.

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

Sale #3:

https://backpack.tf/profiles/76561198055719700#!/compare/1547424000/1547510400

SCM sale.

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

Sale #4:

https://backpack.tf/profiles/76561198015534589#!/compare/1551657600/1552089600

Untraceable.

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

Sale #5:

https://backpack.tf/profiles/76561198015534589#!/compare/1552089600/1552176000

Untraceable.

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

Sale #6:

https://bot.tf/stats/item?def=1162&q=5&ef=Silver+Cyclone&craft=1&aus=0&ks=0

https://backpack.tf/profiles/76561198334598690#!/compare/1549148400/1549234800

Bought for 8 keys and 35 ref.

9 keys

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

Sale #7:

https://bot.tf/stats/item?def=1162&q=5&ef=Silver+Cyclone&craft=1&aus=0&ks=0

https://backpack.tf/profiles/76561198340634356#!/compare/1553036400/1553122800

Bought for 9 keys and 4 ref.

9 keys

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

Sale #8:

https://bot.tf/stats/item?def=1162&q=5&ef=Silver+Cyclone&craft=1&aus=0&ks=0

https://backpack.tf/profiles/76561198335791307#!/compare/1554501600/1554588000

Bought for 9 keys.

9 keys

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

Sale #9:

https://bot.tf/stats/item?def=1162&q=5&ef=Silver+Cyclone&craft=1&aus=0&ks=0

https://backpack.tf/profiles/76561198311725787#!/compare/1549321200/1549407600

Sold for 12 keys.

12 keys

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

Marketplace.tf stats:

https://marketplace.tf/items/1162;5;u3009

Past 90 days:

1x $17.77 ($17.77 / $1.80 = ~10 keys)

1x $11 ($11 / $1.79 = ~6 keys)

1x $17.78 ($17.78 / $1.81 = ~10 keys)

Sales:

6, 9, 9, 9, 10, 10, 12. Going with 9 - 10 keys.