My bp comparison:

https://backpack.tf/profiles/76561198190262069#!/compare/1675641600/1675814400

Other's bp comparison:

https://backpack.tf/profiles/76561198244962432#!/compare/1675728000/1675814400

Trade:

The item was included in a mixed trade.

Darkblaze Pom-Pommed Provocateur valued ~ 750 keys (last price suggestion 3 years ago)

Chiroptero Venata Frenchman's Beret valued ~400 keys

(similar price suggestion 5 months ago)

Total ~ 1150 keys

For:

Burning Flames Killer's Exclusive valued ~ around 650 keys (lowest sell price)

Serenus Lumen Hollowed Helm valued ~ 55 keys (lowest sell price)

Dead Head valued ~ 19 keys (reasonably liquid)

443 pure

Total ~ 1167 keys (small overpay)