Sniped

https://backpack.tf/item/2424805064

Sale 1) Sold for a Duped GE Fruit Shoot which sold for 29 Keys + 5 Refined

https://backpack.tf/profiles/76561198310972287#!/compare/1522454400/1522540800

https://backpack.tf/profiles/76561198210351261#!/compare/1522368000/1522540800

Rounds to 29 Keys

https://backpack.tf/item/538413206

Sale 2) Sold for a Massed Flies Killer's Kabuto + ~3 Keys of Items

https://backpack.tf/profiles/76561198000326258#!/compare/1521072000/1521158400

Low outlier.

Sale 3) Sold for a Killstreak Australium Scattergun (~25 Keys)

https://backpack.tf/profiles/76561197999063424#!/compare/1521244800/1521331200

Low outlier.

Sale 4) Sold for a Purple Confetti Dread Hiding Hood

https://backpack.tf/profiles/76561198261840395#!/compare/1523836800/1523923200

Fits in the range.

Hood Mini

https://backpack.tf/profiles/76561198012358594#!/compare/1521936000/1522022400 - Sold for 23 Keys

https://backpack.tf/profiles/76561198002757046#!/compare/1522022400/1522108800 - Quicksold for 26 Keys

https://backpack.tf/profiles/76561198025963071#!/compare/1522368000/1522454400 - Sold + 2 Keys for a Purple Confetti Samur-Eye

https://backpack.tf/profiles/76561198053457542#!/compare/1524873600/1525046400 - Sold + 10 Keys for a Pro KS Aussie Sniper (~35 Keys)

https://backpack.tf/profiles/76561198292242424#!/compare/1525219200/1525305600 - Sold + 5 Keys for a Cloud 9 Hat With No Name

This puts the Hiding Hood in the low-30s, so it fits in the range.

Sale 5) Sold for 33 Keys

https://backpack.tf/profiles/76561197994697258#!/compare/1525046400/1525132800

Sale 6) Sold for 35 Keys

https://backpack.tf/profiles/76561198210351261#!/compare/1525996800/1526083200