Month 1 https://gladiator.tf/sales?item=Mega%20Strike%20Taunt:%20The%20Russian%20Arms%20Race&at=2022-06-04T10:18:23.957Z

1 @ 3 keys 17.55 ref

1 @ 3 keys 20.77 ref

1 @ 3 keys 41.44 ref

Month 2 https://gladiator.tf/sales?item=Mega%20Strike%20Taunt:%20The%20Russian%20Arms%20Race&at=2022-05-04T10:18:23.957Z

1 @ 3 keys 16.11 ref

1 @ 3 keys 28.88 ref

1 @ 3 keys 30.44 ref

Month 3 https://gladiator.tf/sales?item=Mega%20Strike%20Taunt:%20The%20Russian%20Arms%20Race&at=2022-04-04T10:18:23.957Z

Nothing

https://mannco.store/item/440-mega-strike-unusual-taunt-the-russian-arms-race

$5.26 / $1.60 = 3.29 keys

$5.25 / $1.59 = 3.30 keys

https://marketplace.tf/items/tf2/30843;5;u3010

$7.99 / $1.74 = 4.59 keys

$7.99 / $1.73 = 4.62 keys

$7.99 / $1.77 = 4.51 keys

https://backpack.tf/profiles/76561198983986183#!/compare/1650585600/1651708800

Bulk

https://backpack.tf/profiles/76561199084784906#!/compare/1651881600/1651968000

https://gladiator.tf/time-machine?item=Mega%20Strike%20Taunt:%20The%20Russian%20Arms%20Race&at=2022-05-08T16:10:11.000Z

Probably ~3.45 keys

https://backpack.tf/item/6893649429

https://backpack.tf/profiles/76561199099521803#!/compare/1649289600/1649376000

https://gladiator.tf/listings/6250d8ee64a1e45c0d148464

Probably ~3.15 keys

https://backpack.tf/item/6543578378

https://gladiator.tf/time-machine?item=Mega%20Strike%20Taunt:%20The%20Russian%20Arms%20Race&at=2022-04-30T08:41:21.000Z

Probably ~3.55 keys

https://backpack.tf/item/6252956868

https://gladiator.tf/listings/62538e3f02dbbc6a9c21e770

Probably ~3.55 keys

Classies: https://gladiator.tf/time-machine?item=Mega+Strike+Taunt%3A+The+Russian+Arms+Race&at=2022-06-03T20%3A24%3A00.000Z

~3.3 - 3.6 keys.