Item 1:

https://backpack.tf/item/10756656642

Movement between bot and owner

Item 2:

https://backpack.tf/item/10745443061

Mannco

Item 3:

https://backpack.tf/item/10745995522

Sale 1:

https://marketplace.tf/items/tf2/30862;5;u193

Sold for $139.99 on the 13th of August

Keys were $1.82 on the 13th

https://marketplace.tf/items/tf2/5021;6

139.99/1.82

= 76.9

Rounding up to 77 keys

//

Sellers:

BPTF - https://imgur.com/a/6sERg7X - 1 @ 80 keys for 2 years :(

MPTF - https://marketplace.tf/items/tf2/30862;5;u193 - 1 @ 139.99

STN - https://stntrading.eu/item/tf2/Unusual+Restless+Wraiths+Field+Practice - None

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Field%20Practice?filter=Restless+Wraiths - https://imgur.com/a/uo1LhwP - 1 @ $278.82AUD (~81 keys) , 1 @ 293.34AUD (~83 keys)

Sale(s):

77

Going with 77 keys flat