Thanks to Zeckatz for all the info! Couldn't have done it without you!

Sale 1: Untrace.

https://backpack.tf/profiles/76561198003499091#!/compare/1564099200/1565481600

https://backpack.tf/profiles/76561198072796226#!/compare/1554249600/1566172800

Sale 2: Untrace.

https://backpack.tf/profiles/76561198208382525#!/compare/1562198400/1562544000

https://backpack.tf/profiles/76561198237040276#!/compare/1562112000/1562544000

Sale 3: ~9 Keys 20 Ref.

https://backpack.tf/profiles/76561198112564673#!/compare/1562716800/1562889600

https://backpack.tf/profiles/76561198312583107#!/compare/1562803200/1562889600

https://bot.tf/stats/listings/M003WWQM - Sold To Buy Order.

Sale 4: ~7 Keys Pure.

https://backpack.tf/profiles/76561198194981731#!/compare/1564185600/1564444800

https://backpack.tf/profiles/76561198323565601#!/compare/1564185600/1564272000

https://bot.tf/stats/listings/M1770ZNQ - Sold To Buy Order.

Sale 5: Untrace. (SCM)

https://backpack.tf/profiles/76561198084480509#!/compare/1562803200/1563580800

https://backpack.tf/profiles/76561198063063243#!/compare/1509494400/1564012800

Sale 6: Bulk/Untrace.

https://backpack.tf/profiles/76561198069493147#!/compare/1565136000/1565222400

https://backpack.tf/profiles/76561198086129187#!/compare/1565136000/1565222400

Sale 7: Bulk/Untrace.

https://backpack.tf/profiles/76561198086129187#!/compare/1565136000/1565222400

https://backpack.tf/profiles/76561198045527771#!/compare/1565136000/1565222400

Sale 8: Bulk.

https://backpack.tf/profiles/76561198045527771#!/compare/1565222400/1565308800

https://backpack.tf/profiles/76561198069493147#!/compare/1565222400/1565308800

Sale 9: Untrace.

https://backpack.tf/profiles/76561198069493147#!/compare/1565222400/1565308800

https://backpack.tf/profiles/76561198152643499#!/compare/1565222400/1565308800

Sale 10: Untrace.

https://backpack.tf/profiles/76561198152643499#!/compare/1565395200/1565481600

https://backpack.tf/profiles/76561198100836666#!/compare/1565395200/1565481600

Sale 11: Transfer.

https://backpack.tf/profiles/76561198100836666#!/compare/1565568000/1565654400

https://backpack.tf/profiles/76561198096507227#!/compare/1565481600/1565654400

https://backpack.tf/profiles/76561198096507227#!/compare/1566172800/1566259200

https://backpack.tf/profiles/76561198100836666#!/compare/1566172800/1566259200

Sale 12:

Sold For Dead Presidents Bonk Leadwear + 1 Key. Use there

https://backpack.tf/profiles/76561198100836666#!/compare/1566172800/1566259200

https://backpack.tf/profiles/76561198258438441#!/compare/1566172800/1566259200

Sale 13: Sold with 1 key for CTFL Carouser. Use there

https://backpack.tf/profiles/76561198301742238#!/compare/1566518400/1566604800

https://backpack.tf/profiles/76561198094408512#!/compare/1566518400/1566604800

Sale 14: ~4 Keys 22 Ref, probably more.

https://backpack.tf/profiles/76561198142892266#!/compare/1566691200/1566777600

https://backpack.tf/profiles/76561198289380774#!/compare/1566691200/1566777600

Sale 15: Untrace.

https://backpack.tf/profiles/76561198841279602#!/compare/1564790400/1564876800

https://backpack.tf/profiles/76561198115069320#!/compare/1550620800/1564963200

Sale 16: Bulk.

https://backpack.tf/profiles/76561198214513491#!/compare/1561075200/1561161600

https://backpack.tf/profiles/76561198119634686#!/compare/1560988800/1561161600

Sale 17: ~10 Keys Pure.

https://backpack.tf/profiles/76561198119634686#!/compare/1562457600/1562544000

https://backpack.tf/profiles/76561198384349249#!/compare/1562544000/1562630400

Sale 18: Untrace/Low.

https://backpack.tf/profiles/76561198384349249#!/compare/1562889600/1562976000 - 2 Keys Match.

https://backpack.tf/profiles/76561197978500506#!/compare/1562803200/1562889600

Sale 19:

Sold with spell For Kill-a-Watt Prince Tavish's Crown + Cloud 9 Trash Man. High / bulk

https://backpack.tf/profiles/76561197978500506#!/compare/1563408000/1563494400

https://backpack.tf/profiles/76561198102263461#!/compare/1563408000/1563494400

Sale 20:

Sold For Haunted Chicken Kiev(14) + Haunted Plutonidome + The Mishap Mercenary = ~15 keys

https://backpack.tf/profiles/76561198102263461#!/compare/1563494400/1563580800

https://backpack.tf/profiles/76561198103199729#!/compare/1563494400/1563580800

Sale 21:

Sold For Haunted Ghosts Broadband Bonnet + Taunt: Mannrobics. Use there

https://backpack.tf/profiles/76561198103199729#!/compare/1563580800/1564272000

https://backpack.tf/profiles/76561198067170487#!/compare/1563840000/1563926400

Sale 22: Untrace.

https://backpack.tf/profiles/76561198067170487#!/compare/1564099200/1564963200

https://backpack.tf/profiles/76561198333709395#!/compare/1562630400/1564876800

https://marketplace.tf/partneritem?sku=340;5;u36&attrib=bp

Sale 23: ~10.41 keys.

Aug 18

$18.95 / $1.82 = 10.41 keys - https://backpack.tf/item/1334634916

https://bot.tf/stats/listings/MVR6OP0V - No B/O

Total sales @:

7, 9.5, 10, 10.41, 15 keys

Buyers up to ~6.5 keys,

seller for ~11 keys,

gonna call 7 low, 15 high,

taking 9.5 - 10 keys