no marketplace.tf sales https://marketplace.tf/items/tf2/30182;5;u58

item #1

https://backpack.tf/item/9004995512 alt/gifted/untraceable

item #2

https://backpack.tf/item/7957381097 untraceable

item#3

https://backpack.tf/item/7610401160

sale1

https://backpack.tf/profiles/76561199004803157#!/compare/1647129600/1647216000 apparently 15 keys but im not sure

sale2

https://backpack.tf/profiles/76561198080179568#!/compare/1644624000/1644710400

https://backpack.tf/profiles/76561199004803157#!/compare/1644624000/1644710400

quicksold for 14 keys 30.22 ref, it seems like it was given 15 keys for unusual + ref, history doesnt match, but it was the only unusual listed at that price in that day

https://gladiator.tf/listings/6208ffe8a9a57a191fbf1462

sale3

https://backpack.tf/profiles/76561199102407070#!/compare/1647561600/1647648000 seller's history

https://backpack.tf/profiles/76561198873785755#!/compare/1644192000/1647648000 buyer's history

it may be confusing at first, but it looks like these keys on the buyer's side went were traded for the unusual

https://gladiator.tf/listings/6208ffe8a9a57a191fbf1462 just in case, b/o was 15

sale 4

https://backpack.tf/profiles/76561199221759593#!/compare/1644105600/1644278400 seller's history

https://backpack.tf/profiles/76561199102407070#!/compare/1644192000/1644278400 buyer's history

probably quicksold https://gladiator.tf/listings/6201e17745b5f94193f47066 in that case rounding to 14.5

rounding 14.5 sales to 15