Using past 2 months.

Sale #1:

https://backpack.tf/profiles/76561198274421205#!/compare/1547769600/1548460800

Looks like it was borrowed?

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Sale #2:

https://backpack.tf/profiles/76561198013245606#!/compare/1550534400/1550707200

Untracable.

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Sale #3:

https://backpack.tf/profiles/76561198013245606#!/compare/1551052800/1551139200

Untracable.

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Sale #4:

https://backpack.tf/profiles/76561198309612194#!/compare/1547769600/1547856000

Bulk.

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Sale #5:

https://backpack.tf/profiles/76561198001812215#!/compare/1549929600/1550188800

Bulk.

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Sale #6:

https://backpack.tf/profiles/76561198001812215#!/compare/1550880000/1550966400

Bulk.

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Sale #7:

https://bot.tf/stats/item?def=30863&q=5&ef=Bubbling&craft=1&aus=0&ks=0

https://backpack.tf/profiles/76561198341171690#!/compare/1548111600/1548198000

Sold for 10 keys.

10 keys