white belt, damb

Sale 1: https://backpack.tf/item/3040781348

Sold through mannco.store:

Seller: https://backpack.tf/profiles/76561198839843908#!/compare/1625961600/1626048000

Buyer: https://backpack.tf/profiles/76561198014060803#!/compare/1619136000/1628985600

https://mannco.store/item/440-holy-grail-unusual-taunt-rock-paper-scissors

(2021-07-12 sale): $18.95 / $1.68 = 11.28 keys (https://manic.tf/keyprice/?site=mannco.store&at=2021-07-12&price=18.95)

Will approximate to 11 keys.

Sale 2: https://backpack.tf/item/3216028794

Seller: https://backpack.tf/profiles/76561198140953055#!/compare/1631491200/1631577600

Buyer: https://backpack.tf/profiles/76561198263393764#!/compare/1631318400/1631577600

Sold for 10 keys & 1.44 refined, will approximate to 10 keys.

Sale 3: https://backpack.tf/item/7693610722

Seller: https://backpack.tf/profiles/76561199111073161#!/compare/1626480000/1626566400

Buyer: https://backpack.tf/profiles/76561198124378578#!/compare/1626048000/1626652800

Sold for ~10 keys.

Sale 4: https://backpack.tf/item/10336221427

Seller: https://backpack.tf/profiles/76561198453530349#!/compare/1626220800/1626307200

Buyer: https://backpack.tf/profiles/76561198197859869#!/compare/1626307200/1626393600

Sold for 11 keys (first removed key + 10 last removed keys).

Sale 5: Sold through marketplace.tf (https://marketplace.tf/items/tf2/1110;5;u3003)

June 25, 2021 sale: $23.99 / $1.84 = 13.04 keys (https://manic.tf/keyprice/?site=marketplace.tf&at=2021-06-25&price=23.99)

Will approximate to 13 keys.

Sale 6: Sold through marketplace.tf

July 11, 2021 sale: $23.99 / $1.86 = 12.9 keys (https://manic.tf/keyprice/?site=marketplace.tf&at=2021-07-11&price=23.99)

Will approximate to 13 keys.

Sale 7, 8 & 9 (identical sales): Sold through marketplace.tf

$22.99 / $1.81 = 12.7 keys

(https://manic.tf/keyprice/?site=marketplace.tf&at=2021-08-08&price=22.99)

(https://manic.tf/keyprice/?site=marketplace.tf&at=2021-08-29&price=22.99)

(https://manic.tf/keyprice/?site=marketplace.tf&at=2021-09-02&price=22.99)

Will approximate each sale to 13 keys.

Sale 10 & 11 (identical sales): Sold through marketplace.tf

$22.99 / $1.84 = 12.49 keys

(https://manic.tf/keyprice/?site=marketplace.tf&at=2021-09-14&price=22.99)

(https://manic.tf/keyprice/?site=marketplace.tf&at=2021-09-15&price=22.99)

Will approximate each sale to 13 keys.

TL;DR - Sales: 11, 10, 10, 11, 13, 13, 13, 13, 13, 13, 13

Will discard those 10 keys sales for being too close from buy orders (at the time of the creation of this suggestion)

Taking 11-13 keys for it.

Classifieds:

https://gladiator.tf/listings/614b1cb64a7c38b9c625ac57

https://prnt.sc/1t8m2vv

PS: Any constructive criticism welcome, appreciated :)