Mini.

SALE 1

Sold for atleast 2 keys to quickbuyer

https://backpack.tf/profiles/76561198239116174#!/compare/1565740800/1566000000

https://backpack.tf/profiles/76561198317418604#!/compare/1565913600/1566000000

SALE 2

Sold for 35 keys

https://backpack.tf/profiles/76561198317418604#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198179707937#!/compare/1565913600/1566000000

SALE 3

Unknown

https://backpack.tf/profiles/76561198855341173#!/compare/1566691200/1567209600

https://backpack.tf/profiles/76561198307516731#!/compare/1566518400/1566777600

SALE 4

Unknown

https://backpack.tf/profiles/76561198168821894#!/compare/1564704000/1567209600

https://backpack.tf/profiles/76561198378408942#!/compare/1564012800/1565740800

SALE 5

Unknown

https://backpack.tf/profiles/76561198378408942#!/compare/1566000000/1566172800

https://backpack.tf/profiles/76561198260686830#!/compare/1565913600/1566000000

SALE 6

Sold for 61 on September 13 (61/1.82 = 33.51 rounding to 34 keys)

https://marketplace.tf/items/tf2/981;5;u62

History of SALE 6: https://backpack.tf/item/7956531007

SALE 7

Sold for 28 keys

https://backpack.tf/profiles/76561198061440669#!/compare/1566518400/1566604800

https://backpack.tf/profiles/76561198260651783#!/compare/1566432000/1566604800

SALE 8

Unknown

https://backpack.tf/profiles/76561198260651783#!/compare/1567036800/1567209600

https://backpack.tf/profiles/76561198317418604#!/compare/1567123200/1567209600

SALE 9

Unknown

https://backpack.tf/profiles/76561198085410622#!/compare/1565827200/1566086400

https://backpack.tf/profiles/76561198043936328#!/compare/1566000000/1566086400

SALE 10

Unknown

https://backpack.tf/profiles/76561197962091237#!/compare/1564876800/1565308800

https://backpack.tf/profiles/76561198135023566#!/compare/1564790400/1565222400

SALE 11

Sold for atleast 4 keys

https://backpack.tf/profiles/76561198135023566#!/compare/1565395200/1565654400

https://backpack.tf/profiles/76561198337734785#!/compare/1565308800/1565395200

SALE 12

Unknown

https://backpack.tf/profiles/76561198337734785#!/compare/1566691200/1566777600

https://backpack.tf/profiles/76561198049787869#!/compare/1566172800/1566777600

Buyout was 29 keys

https://bot.tf/stats/listings/MVRP5LZV

SALE 13

Unknown

https://backpack.tf/profiles/76561198049787869#!/compare/1567468800/1568592000

https://backpack.tf/profiles/76561198080179568#!/compare/1567382400/1567468800

SALE 14

Sold for 30 keys

https://backpack.tf/profiles/76561198077765786#!/compare/1565395200/1565481600

https://backpack.tf/profiles/76561198094329301#!/compare/1565395200/1565481600

CLASSIFIEDS

https://gyazo.com/0f4b0ad023ad832dac5e31b88edf0cf9

Sales at 28, 30, and 35. Marketplace sale at 34.

Taking 28-35 keys.