Item 1:

https://backpack.tf/item/15357372076

Sale 1:

https://backpack.tf/profiles/76561198216388253#!/compare/1754179200/1755993600

https://marketplace.tf/items/tf2/30862;5;u16

Sold for $84.99 on the 9th of August

Keys were $1.84 on the 9th

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

84.99/1.84

= 46.1

Rounding down to 46 keys

//

Item 2:

https://backpack.tf/item/9018723658

Sale 2:

https://backpack.tf/profiles/76561199564942025#!/compare/1752019200/1752192000

https://backpack.tf/profiles/76561198367816851#!/compare/1752019200/1752192000

Duped to an STN bot along with a Miami Nights Field Practice

Sale 3:

https://backpack.tf/profiles/76561198066743294#!/compare/1755820800/1755907200

https://backpack.tf/profiles/76561199564942025#!/compare/1755820800/1755907200

Sold for 34 keys and 34.11 ref (ID 16084591020). Only shows 34 keys on buyers side but everything matches on sellers

Rounding up to 35 keys

Sellers:

BPTF - https://imgur.com/a/9p0VqkM - 45 keys pure

MPTF - https://marketplace.tf/items/tf2/30862;5;u16 - None

STN - https://stntrading.eu/item/tf2/Unusual+Vivid+Plasma+Field+Practice - None

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Field%20Practice?filter=Vivid+Plasma - None

Sale(s):

46, 35

There is an unsold at 45 keys for over a month but its very close to 46 and having 35 flat seems low. Needs a drop so but keeping both sales into range.

Going with 35 - 46 keys