Sale 1:

Sold for 14 keys

Seller: https://backpack.tf/profiles/76561198002757046#!/compare/1543363200/1543449600

Buyer: https://backpack.tf/profiles/76561198392734059#!/compare/1543276800/1543449600

https://backpack.tf/item/269736699

X = 14

Sale 2:

Sold for 13 keys

Seller: https://backpack.tf/profiles/76561198832253171#!/compare/1541980800/1542758400

Buyer: https://backpack.tf/profiles/76561198002757046#!/compare/1542672000/1542758400

https://backpack.tf/item/269736699

X = 13

Sale 3:

Sold with ~1.5 keys in items for Electrostatic Fukaa

Seller: https://backpack.tf/profiles/76561198116227477#!/compare/1544140800/1544227200

Buyer: https://backpack.tf/profiles/76561198798016614#!/compare/1544054400/1544227200

https://backpack.tf/item/1471371169

Being used on the Fukaa.

Sale 4:

Sold for Miami Nights Scotch Bonnet + ~1 key in items

Seller: https://backpack.tf/profiles/76561198798016614#!/compare/1544313600/1544486400

Buyer: https://backpack.tf/profiles/76561198124887048#!/compare/1544400000/1544486400

https://backpack.tf/item/1471371169

We have pure sales at 13 and 14. Highest buyer is 12+, and there’s a 2-month unsold at 15. If this sale ends up being higher or lower than the pure sales, it’ll be excluded anyways. Can be used on the Scotch Bonnet instead.

Sale 5:

Sold for Voltaic Universal Translator + 1 key

Seller: https://backpack.tf/profiles/76561198061440669#!/compare/1541980800/1542067200

Buyer: https://backpack.tf/profiles/76561198116227477#!/compare/1539734400/1543276800

https://backpack.tf/item/1471371169

Same situation as the sale above.

Sale 6:

Untraceable

Seller: https://backpack.tf/profiles/76561198124887048#!/compare/1544400000/1544486400

Buyer: https://backpack.tf/profiles/76561198131143986#!/compare/1544400000/1544486400

https://backpack.tf/item/1471371169

Sale 7:

Untraceable, appears to be bulk

Seller: https://backpack.tf/profiles/76561198061779536#!/compare/1545091200/1545177600

Buyer: https://backpack.tf/profiles/76561198189133167#!/compare/1545091200/1545177600

https://backpack.tf/item/1471371169

Sale 8:

Untraceable

Seller: https://backpack.tf/profiles/76561198379313498#!/compare/1541980800/1542153600

Buyer: https://backpack.tf/profiles/76561198832253171#!/compare/1541289600/1541980800

https://backpack.tf/item/269736699

Sale 9:

Untraceable

Seller: https://backpack.tf/profiles/76561198392734059#!/compare/1544832000/1544918400

Buyer: https://backpack.tf/profiles/76561198002757046#!/compare/1544745600/1544832000

https://backpack.tf/item/269736699

Sale 10:

Bulk for Purple Energy Airdog

Seller: https://backpack.tf/profiles/76561198131143986#!/compare/1544572800/1544745600

Buyer: https://backpack.tf/profiles/76561198061779536#!/compare/1544659200/1544745600

https://backpack.tf/item/1471371169

Sellers:

https://i.imgur.com/G6MGwAu.png

https://backpack.tf/item/269736699 - 13 keys

https://backpack.tf/item/682978611 - 14 keys

https://backpack.tf/item/5167182940 - 15 keys

Sales at:

13

14

Going with 13-14.