Sale 1:

https://backpack.tf/profiles/76561198904181513#!/compare/1587772800/1587859200

https://backpack.tf/profiles/76561198073319377#!/compare/1587686400/1587772800

Sold with negligible sweets for keys

sale 2:

https://backpack.tf/profiles/76561198073319377#!/compare/1587772800/1587859200

https://backpack.tf/profiles/76561198192781842#!/compare/1587859200/1587945600

Sold with 4 keys for CPS Juju

use there, only sale.

https://bot.tf/stats/listings/4ZPO812X

B/O of 12 keys

sale 3:

https://backpack.tf/profiles/76561198192781842#!/compare/1587859200/1587945600

https://backpack.tf/profiles/76561198337734785#!/compare/1587772800/1587859200

QS

sale 4:

https://backpack.tf/profiles/76561198337734785#!/compare/1589587200/1589673600

https://backpack.tf/profiles/76561198145069641#!/compare/1588291200/1589846400

Sold for 11 keys

sale 5:

https://backpack.tf/profiles/76561198850274253#!/compare/1585785600/1585872000

https://backpack.tf/profiles/76561198275012706#!/compare/1585785600/1585872000

untrace

sale 6:

https://backpack.tf/profiles/76561198275012706#!/compare/1586131200/1586217600

https://backpack.tf/profiles/76561198170139169#!/compare/1586131200/1586217600

Sold with 0.5 keys in sweets for 10 keys

Total is 9.5 keys

Sale 7:

https://backpack.tf/profiles/76561198170139169#!/compare/1586217600/1586304000

https://backpack.tf/profiles/76561198308522777#!/compare/1586131200/1586217600

Sold for ~10 keys (9 used to buy Star then Blast)

Sale 8:

https://backpack.tf/profiles/76561198308522777#!/compare/1586217600/1586304000

https://backpack.tf/profiles/76561198148514448#!/compare/1586217600/1586304000

Sold for N&B Napper + 1 key

use there

https://bot.tf/stats/listings/MLVL3XXJ

B/O of 14 keys

Sale 9:

https://backpack.tf/profiles/76561198148514448#!/compare/1586217600/1586304000

https://backpack.tf/profiles/76561199038315744#!/compare/1586131200/1586304000

Untrace

sale 10:

https://backpack.tf/profiles/76561199038315744#!/compare/1586476800/1586563200

https://backpack.tf/profiles/76561198095022965#!/compare/1586476800/1586563200

Bulk

Total sales @:

9.5, 10, 11 keys

buyers up to ~9.85 keys,

Let's Try 10 - 11 keys....