https://backpack.tf/stats/Unusual/Cranial%20Carcharodon/Tradable/Craftable/109

Starstorm Insomnia Cranial Carcharodon (Mini for Vicious Circle Hephaistos' Handcraft)

Current price : 16 - 18 keys

New price : 15 - 16 keys

Sale 1 (August 16 2019)

https://marketplace.tf/items/tf2/30800;5;u109

https://backpack.tf/item/5199946249

https://manic.tf/keyprice/?at=2019-08-16&price=34.99

Key's price on this day : $1.83

Sold for $34.99

34.99 / 1.83 = 19.12 = 19 keys

No b/o found

Sale 2 (August 9 2019)

https://marketplace.tf/items/tf2/30800;5;u109

Can't find hat's history

https://manic.tf/keyprice/?at=2019-08-09&price=26.4

Key's price on this day : $1.83

Sold for $26.40

26.4 / 1.83 = 14.42 = 14 keys

Sale 3 (August 6 2019)

https://marketplace.tf/items/tf2/30800;5;u109

https://backpack.tf/item/5221292796

https://manic.tf/keyprice/?at=2019-08-06&price=35

Key's price on this day : $1.84

Sold for $35.00

35 / 1.84 = 19.02 = 19 keys

No b/o found

Sale 4 (August 5 2019)

https://marketplace.tf/items/tf2/30800;5;u109

https://backpack.tf/item/5404363967

https://manic.tf/keyprice/?at=2019-08-05&price=28.64

Key's price on this day : $1.83

Sold for $28.64

28.64 / 1.83 = 15.65 = 16 keys

No b/o found

Sale 5 (August 1 2019)

https://marketplace.tf/items/tf2/30800;5;u109

https://backpack.tf/item/5286872331

https://manic.tf/keyprice/?at=2019-08-01&price=28.64

Key's price on this day : $1.80

Sold for $28.64

28.64 / 1.8 = 15.91 = 16 keys

No b/o found

Sale 6 (July 24 2019)

https://marketplace.tf/items/tf2/30800;5;u109

https://backpack.tf/item/5727980337

https://manic.tf/keyprice/?at=2019-07-24&price=35

Key's price on this day : $1.8

Sold for $35.00

35 / 1.8 = 19.44 = 19 keys

No b/o found

Sale 7 (July 18 2019)

https://marketplace.tf/items/tf2/30800;5;u109

Can't find hat's history

https://manic.tf/keyprice/?at=2019-07-18&price=28.99

Key's price on this day : $1.82

Sold for $28.99

28.99 / 1.82 = 15.92 = 16 keys

Sale 8 (June 25 2019)

https://marketplace.tf/items/tf2/30800;5;u109

https://backpack.tf/item/7712187450

https://manic.tf/keyprice/?at=2019-06-25&price=35

Key's price on this day : $1.83

Sold for $35.00

35 / 1.83 = 19.12 = 19 keys

No b/o found

Sale 9

https://backpack.tf/profiles/76561198335791307#!/compare/1561680000/1561766400

https://backpack.tf/profiles/76561198384525727#!/compare/1561680000/1561852800

Untraceable

Sale 10

https://backpack.tf/profiles/76561198006544512#!/compare/1562457600/1562544000

https://backpack.tf/profiles/76561198147144167#!/compare/1562544000/1562630400

Sold for 16 keys

Sale 11

https://backpack.tf/profiles/76561198002757046#!/compare/1565654400/1565740800

https://backpack.tf/profiles/76561198371397032#!/compare/1565395200/1565740800

Sold for 15 keys

Sale 12

https://backpack.tf/profiles/76561198257977681#!/compare/1565568000/1565654400

https://backpack.tf/profiles/76561198002757046#!/compare/1565568000/1565654400

Bulk

Sale 13

https://backpack.tf/profiles/76561198171655581#!/compare/1560297600/1560470400

https://backpack.tf/profiles/76561198294666015#!/compare/1560729600/1560816000

Untraceable

Sale 14

https://backpack.tf/profiles/76561198832634596#!/compare/1565308800/1565568000

https://backpack.tf/profiles/76561198050933686#!/compare/1565481600/1565654400

Sale for wich one I need this mini

Sale 15

https://backpack.tf/profiles/76561198295114190#!/compare/1564963200/1565136000

https://backpack.tf/profiles/76561198832634596#!/compare/1565049600/1565136000

Sold for a Starstorm Insomnia Cranial Carcharodon (Can't make mini)

Sale 16

https://backpack.tf/profiles/76561198047025126#!/compare/1563408000/1563494400

https://backpack.tf/profiles/76561198295114190#!/compare/1563408000/1563667200

Untraceable

Sale 17

https://backpack.tf/profiles/76561198953553493#!/compare/1562889600/1562976000

https://backpack.tf/profiles/76561198047025126#!/compare/1562976000/1563062400

Bulk

Sale 18

https://backpack.tf/profiles/76561198370704928#!/compare/1562803200/1562976000

https://backpack.tf/profiles/76561198953553493#!/compare/1562803200/1563235200

Untraceable

Sale 19

https://backpack.tf/profiles/76561198017266867#!/compare/1562716800/1562889600

https://backpack.tf/profiles/76561198370704928#!/compare/1552262400/1562716800

Untraceable

Sale 20

https://backpack.tf/profiles/76561198370704928#!/compare/1562630400/1562716800

https://backpack.tf/profiles/76561198017266867#!/compare/1562630400/1562716800

Untraceable

Sale 21

https://backpack.tf/profiles/76561198308772967#!/compare/1559433600/1559520000

https://backpack.tf/profiles/76561198417576637#!/compare/1559520000/1559606400

Untraceable

Sale 22

https://backpack.tf/profiles/76561198308772967#!/compare/1561593600/1561680000

https://backpack.tf/profiles/76561198122706821#!/compare/1561680000/1561852800

Sold for 15 keys

Sale 23

https://backpack.tf/profiles/76561198253384474#!/compare/1559865600/1559952000

https://backpack.tf/profiles/76561198308772967#!/compare/1559779200/1559952000

Sold for 15 keys

Sale 24

https://backpack.tf/profiles/76561198308772967#!/compare/1559692800/1559779200

https://backpack.tf/profiles/76561198253384474#!/compare/1559692800/1559779200

Sold for 15 keys

Sale 25

https://backpack.tf/profiles/76561198394877897#!/compare/1565654400/1565740800

https://backpack.tf/profiles/76561198151569597#!/compare/1565481600/1565913600

Bulk

Sale 26

https://backpack.tf/profiles/76561198796100920#!/compare/1566172800/1566259200

https://backpack.tf/profiles/76561198335791307#!/compare/1566172800/1566259200

Untraceable (missing items)

Sale 27

https://backpack.tf/profiles/76561198050518375#!/compare/1565827200/1565913600

https://backpack.tf/profiles/76561198796100920#!/compare/1565827200/1565913600

Sold for 16 keys

Sale 28

https://backpack.tf/profiles/76561198410407173#!/compare/1566172800/1566259200

https://backpack.tf/profiles/76561198442234425#!/compare/1566086400/1566345600

Untraceable

Sale 29

https://backpack.tf/profiles/76561198394877897#!/compare/1566086400/1566172800

https://backpack.tf/profiles/76561198410407173#!/compare/1566086400/1566172800

Untraceable

Sale 30

https://backpack.tf/profiles/76561198372361328#!/compare/1565136000/1566000000

https://backpack.tf/profiles/76561198394877897#!/compare/1565913600/1566000000

Untraceable

Sale 31

https://backpack.tf/profiles/76561198122152563#!/compare/1566432000/1566518400

https://backpack.tf/profiles/76561198360110268#!/compare/1566259200/1566518400

Sold for a Isotope Bloom Buffed Shotgun (Field-Tested) (Can't make mini)

Sale 32

https://backpack.tf/profiles/76561198141373180#!/compare/1566432000/1566518400

https://backpack.tf/profiles/76561198122152563#!/compare/1566432000/1566518400

Sold for 13 keys

Sale 33

https://backpack.tf/profiles/76561198155954439#!/compare/1562457600/1563580800

https://backpack.tf/profiles/76561198026129220#!/compare/1563580800/1563667200

Untraceable

Summary :

5 @ 16 keys

4 @ 19 keys <--- One unsold at 16 keys for +2 month, best to exclude : https://backpack.tf/item/5377203113

4 @ 15 keys

1 @ 14 keys <--- Countered by quickbuyers

1 @ 13 keys <--- Countered by quickbuyers

(Thanks ✪Wrein)