Resuggestion of https://backpack.tf/suggestion/5b3df56944325a226f0fe96c

Credits to K1ng.

New price: 8-12 keys

Proof:

Sale #1 (1 month)= invalid

seller: https://backpack.tf/profiles/76561198011321852#!/compare/1527206400/1527292800

buyer: https://backpack.tf/profiles/76561198258264645#!/compare/1527206400/1527292800

Sold for an infernal smoke deep fried desire. Better used there, but supports high end range here.

bot.tf sales:

https://bot.tf/stats/item?def=1119&q=5&ef=Infernal+Flames&craft=1&aus=0&ks=0

https://imgur.com/a/iALRL8w

https://backpack.tf/profiles/76561198305676157#!/compare/1530223200/1530309600 - 8 keys 34 ref = ~9

Marketplace.tf sales:

https://marketplace.tf/items/1119;5;u3015

Sale #1 (1 month) Sold for 12$. Keys were 1.96$. 12 / 1.96 = ~6

Sale #2 (1 month) Sold for 23.90$. Keys were 1.94$. 23.90 / 1.94 = ~12

_________________________________________________________

SUMMARY

Sales:

6

9

12

6 countered by buyers.

Unsold for a week at 8 keys (https://imgur.com/a/aGDqR51).

Going with 8-12 keys.

Feel free to add proof to support or counter my new price.