Blizzardy Storm Frenchman’s Beret

Selling:

https://marketplace.tf/items/tf2/180;5;u30 - Seller @ $30 = ~16 keys

Sale 1:

https://marketplace.tf/items/tf2/180;5;u30

July 19th $20 / $1.83 = 10.93 keys

Aug 4th $23.5 / $1.84 = 12.77 keys https://backpack.tf/item/592226816 No Bot.tf

Aug 7th $23.5 / $1.81 = 12.98 keys

Sept 6th $18.9 / $1.82 = 10.38 keys https://backpack.tf/item/592226816 No Bot.tf

Sept 29th $19 / $1.81 = 10.50 keys https://backpack.tf/item/820950905 No Bot.tf

Oct 6th $19 / $1.83 = 10.38 keys https://backpack.tf/item/598779724 No Bot.tf

X = 10 (x2), 11 (x2), 13 (x2)

Sale 7:

https://backpack.tf/profiles/76561198027196798#!/compare/1563580800/1563667200

Sold for 12 keys

X = 12

Sale 8:

https://backpack.tf/profiles/76561198304001962#!/compare/1569628800/1569715200

https://backpack.tf/profiles/76561198817510262#!/compare/1569628800/1569715200

https://bot.tf/stats/listings/46NXW172

Probably sold for 10 keys 18 ref

X = 10

Sale 9:

https://backpack.tf/profiles/76561198877320307#!/compare/1570147200/1570233600

https://backpack.tf/profiles/76561198260080723#!/compare/1570147200/1570233600

Sold for 10 keys in 1 day

X = 10

Sale 10:

https://backpack.tf/profiles/76561198260080723#!/compare/1570233600/1570320000

Sold for a Bubbling Safe n Sound + 1 key + minor sweets

Enough sales here, can be used there

Sale 11:

https://backpack.tf/profiles/76561198120672630#!/compare/1570233600/1570320000

https://backpack.tf/profiles/76561198447083961#!/compare/1570233600/1570320000

Added 1 key + ~1 in adds for a Searing Boonie

Better used there

Sale 12:

https://backpack.tf/profiles/76561198120672630#!/compare/1570406400/1570579200

Bulk for SFB Bomber’s Bucket

Use there

Sale 13:

https://backpack.tf/profiles/76561198797481842#!/compare/1570492800/1570665600

Sold for a C9 Data

Better used there

Sale 14:

https://backpack.tf/profiles/76561198343520318#!/compare/1566604800/1566691200

Sold for a KaW Trilby

Better used there

Sale 15:

https://backpack.tf/profiles/76561198841279602#!/compare/1564876800/1564963200

https://bot.tf/stats/listings/MLRVVWDG - B/O was 12

Sold for 12 keys

X = 12

Sales at:

10 (x4)

11 (x2)

12 (x2)

13 (x2)

Summary:

No reason to excluding anything, using all sales.

Final Price: 10 - 13 keys