Sale 1:

https://backpack.tf/profiles/76561198144692530#!/compare/1581120000/1581206400

https://backpack.tf/profiles/76561198080179568#!/compare/1581033600/1581120000

Untrace

sale 2:

https://backpack.tf/profiles/76561198080179568#!/compare/1583452800/1583539200

https://backpack.tf/profiles/76561198136674885#!/compare/1583452800/1583539200

Untrace

sale 3:

https://backpack.tf/profiles/76561198136674885#!/compare/1585180800/1586131200

https://backpack.tf/profiles/76561198289062324#!/compare/1586044800/1586131200

Untrace

sale 4:

https://backpack.tf/profiles/76561198289062324#!/compare/1586044800/1586131200

https://backpack.tf/profiles/76561198061694931#!/compare/1586044800/1586131200

https://backpack.tf/profiles/76561199017926833#!/compare/1586044800/1586131200

https://backpack.tf/profiles/76561198176022675#!/compare/1586131200/1586217600

https://backpack.tf/profiles/76561198986747837#!/compare/1586131200/1586217600

https://backpack.tf/profiles/76561198176022675#!/compare/1586217600/1586304000

https://backpack.tf/profiles/76561198976233202#!/compare/1586217600/1586304000

https://backpack.tf/profiles/76561198051828110#!/compare/1585180800/1586304000

https://backpack.tf/profiles/76561198002757046#!/compare/1586217600/1586304000

Untrace / bulk

sale 5:

https://backpack.tf/profiles/76561198002757046#!/compare/1586390400/1586476800

https://backpack.tf/profiles/76561198086688141#!/compare/1586217600/1586563200

Sold for 10 keys

Sale 6:

https://backpack.tf/profiles/76561198086688141#!/compare/1586563200/1586736000

https://backpack.tf/profiles/76561198151835897#!/compare/1586476800/1586649600

Bulk

sale 7:

https://backpack.tf/profiles/76561198151835897#!/compare/1587427200/1587513600

https://backpack.tf/profiles/76561198097499917#!/compare/1587427200/1587513600

Bulk

sale 8:

https://backpack.tf/profiles/76561198972294135#!/compare/1583539200/1583625600

https://backpack.tf/profiles/76561198066369838#!/compare/1583539200/1583625600

Sold with ~4 keys in sweets for Abduction Trans(17.5)

Total is 13.5 keys

sale 9:

https://backpack.tf/profiles/76561198066369838#!/compare/1583625600/1583712000

https://backpack.tf/profiles/76561198196410274#!/compare/1583625600/1583712000

Sold for Smoking Conq + ~3 keys

use there

sale 10:

https://backpack.tf/profiles/76561198196410274#!/compare/1583712000/1583884800

https://backpack.tf/profiles/76561198326535670#!/compare/1583798400/1583884800

Sold for CPS Polar + ~2 keys in sweets

Polar mini:

https://backpack.tf/suggestion/5ea93484374d9420cb42fc8a

suggestion for 10 keys

Total is 12 keys

total sales @:

10, 12, 13.5 keys

4 month unsold for 14 keys:

https://i.imgur.com/P61vyLl.jpg

taking 10 - 12 keys