MP sales:

Sale #1: $14.99 / $1.87 (https://manic.tf/keyprice/?at=2020-05-22) = 8.01 ~ 8 keys

Item history: https://backpack.tf/item/7956688748 (dated May 14th, so maybe)

Sale #2: $16.00 / $1.92 (https://manic.tf/keyprice/?at=2020-05-27) = 8.33 ~ 8.5 keys

No item history found

Sale #3: $16.49 / $1.98 (https://manic.tf/keyprice/?at=2020-07-07) = 8.32 ~ 8.5 keys

No item history found

No B/O available: https://gyazo.com/7fc79551185510458b8c57796fa9288b

Item tracing:

Item 1: same as in Sale #1

Only MP deposit/withdrawal

Item 2: https://backpack.tf/item/7955706774

Sale #4

untraced

https://backpack.tf/profiles/76561198363018510#!/compare/1589500800/1590105600

https://backpack.tf/profiles/76561198080179568#!/compare/1589414400/1589500800

Sale #5

untraced

https://backpack.tf/profiles/76561198080179568#!/compare/1590192000/1590278400

https://backpack.tf/profiles/76561198311274291#!/compare/1590278400/1590710400

Item 3: https://backpack.tf/item/7956670558

Sale #6

untraced

https://backpack.tf/profiles/76561198431519539#!/compare/1588118400/1588982400

https://backpack.tf/profiles/76561198088551406#!/compare/1588032000/1588982400

Sale #7

untraced (only show 2 keys)

https://backpack.tf/profiles/76561198088551406#!/compare/1588982400/1589068800

https://backpack.tf/profiles/76561198987674719#!/compare/1589068800/1589155200 (missing)

prob gambling

https://backpack.tf/profiles/76561198987674719#!/compare/1588982400/1589068800 (missing)

https://backpack.tf/profiles/76561198265449496#!/compare/1588809600/1589068800 (missing)

prob gambling

https://backpack.tf/profiles/76561198265449496#!/compare/1588809600/1589068800 (missing)

https://backpack.tf/profiles/76561198389129235#!/compare/1588896000/1589068800

Sale #8

untraced

https://backpack.tf/profiles/76561198389129235#!/compare/1589068800/1589414400

https://backpack.tf/profiles/76561198852996382#!/compare/1570406400/1591315200

Current listings: https://gyazo.com/012d293be7adde11b88c9fe33b4c7f30

No seller

Only buying at 7.24, 7.22, 7.21 keys

1 selling at MP for $18.26 / ~$1.94 = 9.4 ~ 9.5 keys

been there for probably more than 3 months: https://backpack.tf/item/7956627281

Valid sales: 8, 8.5, 8.5 keys

Taking 8 - 8.5 keys