Counter, suggestor had plenty of time to re-suggest.

Sale 1:

Sold for $89.9 on Marketplace.tf

https://marketplace.tf/items/1112;5;u3012

https://backpack.tf/item/2699233952

89.9/1.93 = ~46.6

X = 47

Sale 2:

Sold for Duped Blizzardy Storm Bonk Boy (Mini at 40 below) + less than half a key in metal

No B/O

Seller: https://backpack.tf/profiles/76561198203207940#!/compare/1511827200/1511913600

Buyer: https://backpack.tf/profiles/76561198124417626#!/compare/1511827200/1511913600

X = 40

Sale 3:

Sold to a quickbuyer for 18 keys

Seller: https://backpack.tf/profiles/76561198306004447#!/compare/1512777600/1512864000

Buyer: https://backpack.tf/profiles/76561198125791160#!/compare/1512691200/1512777600

X = 18

Duped Blizzardy Storm Bonk Boy Mini:

Sold for Frostbite Strontium Stove Pipe (26.5) + Cloud 9 Blast Defense (20.5) + a key

https://i.imgur.com/dpBlTvq.png - B/O of 42, credit to Xergoyf

Seller: https://backpack.tf/profiles/76561198156255538#!/compare/1514160000/1514246400

Buyer: https://backpack.tf/profiles/76561198066595010#!/compare/1514160000/1514246400

X = 42 (Capped by B/O)

Seller at 38 keys:

https://i.imgur.com/dahv7Hy.png

https://backpack.tf/item/444665362

Taking 38-42 (40)

Sellers:

55 keys:

https://i.imgur.com/2kUk3PT.png - young

~57 keys: – Scrap.tf

https://i.imgur.com/4bVmrdA.png

https://backpack.tf/item/3011026686 - ~2 months

58 keys:

https://i.imgur.com/yW1NiK0.png - 1 month

$90: – Marketplace.tf (~45 keys)

https://marketplace.tf/items/1112;5;u3012

https://backpack.tf/item/5366620929

None on the Steam Community Market

Sales at:

18

40

47

18 went to a quickbuyer, excluding 18.

Going with 40-47.