i remember when i owned this and it was priced at 100 keys :')

sale 1

https://backpack.tf/profiles/76561198058928752#!/compare/1497398400/1497657600

added strange kritzkreig (10) + spec aussie wrench (18) + flash of inspiration (3) for nebula head full of hot air (80)

x+10+18+3=80, x=49

from k1ng: https://backpack.tf/suggestion/595bf525cf6c751c11269cda#comment-597cf5c6cf6c755ef44c51d4

The HFoHA has had sellers below 70 for a while, so it certainly wasn't 80 at the time of the sale, which would put it below the amount quickbuyers are paying for the Hazmat now.

Other sales on the Hazmat:

Quicksold for 40 keys

https://backpack.tf/profiles/76561198195731583#!/compare/1497571200/1497657600

https://backpack.tf/profiles/76561198048851745#!/compare/1497571200/1497657600

Quicksold on SCM for ~57 keys on July 8th:

https://backpack.tf/profiles/76561198048851745#!/compare/1499385600/1499472000

http://steamcommunity.com/market/listings/440/Unusual%20HazMat%20Headcase

Given the unsold at 55, 55-57 should be fine here. There are two other buy orders on SCM countering the HFoHA sale.