https://backpack.tf/profiles/76561198061376237#!/compare/1557273600/1557360000

https://backpack.tf/profiles/76561198065733542#!/compare/1557187200/1557360000

20 keys

https://backpack.tf/profiles/76561198262151031#!/compare/1553126400/1553644800

https://backpack.tf/profiles/76561198138889611#!/compare/1553299200/1553385600

Added 3 keys for Max Head (The Max Head was sold for keys in the same day) -This makes the Bonk Helm approximately 18 keys

https://backpack.tf/profiles/76561198106213567#!/compare/1552176000/1552262400

https://backpack.tf/profiles/76561198138889611#!/compare/1552089600/1552262400

Searing Scotman's Stove Pipe - In-date at ~18.5 keys

https://backpack.tf/profiles/76561198418740133#!/compare/1552003200/1552089600

https://backpack.tf/profiles/76561198106213567#!/compare/1552003200/1552089600

16 keys + Black Vintage Tyrant's Helm (less than 1 key)

https://backpack.tf/profiles/76561198418740133#!/compare/1551571200/1551657600

https://backpack.tf/profiles/76561198338949704#!/compare/1551484800/1551657600

Bulk

https://backpack.tf/profiles/76561198317903441#!/compare/1555200000/1555286400

it's either 14 keys or 14 keys + refined

https://backpack.tf/profiles/76561198317903441#!/compare/1554508800/1554595200

https://backpack.tf/profiles/76561198043338415#!/compare/1554508800/1554595200

Untraceable

https://backpack.tf/profiles/76561198107644903#!/compare/1554508800/1554681600

12 keys, close to buyers

https://backpack.tf/profiles/76561198107644903#!/compare/1554422400/1554508800

Untraceable

https://backpack.tf/profiles/76561198144516711#!/compare/1554076800/1554508800

Looks like 20 Tour of Duty Tickets, he may have used some because he got loot - possibly 4 tickets used

This is 10-12 keys, still close to buyers

https://backpack.tf/profiles/76561198144516711#!/compare/1553904000/1553990400

https://backpack.tf/profiles/76561198118922746#!/compare/1553904000/1553990400

Outdated Mega Strike Mannrobics, which with current sellers puts the helm close to buyers

https://gyazo.com/3526a1f5cf884e3be285f0b99a60d6d2

https://backpack.tf/profiles/76561198127718182#!/compare/1553385600/1553904000

Added 3 keys for Aces Metal Modest

Aces Metal has a month unsold at 17 keys https://gyazo.com/91189bba3e044d9ea4428de09229ca54

Buyout on the Helm was 14 keys https://gyazo.com/022bef4cc06215e2fe9b1fce1a46c2a8

https://marketplace.tf/items/106;5;u57

February 24, sold for $25.00 / 1.80 = 14 keys