Resuggesting to fix the price range.

Hat 1) https://backpack.tf/item/1654771711

Sale 1) Sold for a Massed Flies Old Guadalajara (13 keys) + a little sweets

Leaving it at 13 keys

https://backpack.tf/profiles/76561198071216661#!/compare/1513382400/1513987200

Sale 2) Sold for an Orbiting Fire Counterfeit Billycock (10 keys) + ~30 ref in sweets

Rounding up to 11 keys

https://backpack.tf/profiles/76561198408001747#!/compare/1512864000/1513296000

Sale 3) Sold + Unique Prof. Killstreak Tomislav (current buyers in classies @ ~ 2.5 keys) for an Aces High Wet Works (13 keys)

13 - 2.5 = 10.5 keys rounding up to 11 keys

https://backpack.tf/profiles/76561198134811573#!/compare/1505260800/1514246400

Hat 2) https://backpack.tf/item/1655828924

Sale 1) Sold for a Blizzardy Storm Hetman's Headpiece (11-14 keys)

Rounding up to 13 keys

https://backpack.tf/profiles/76561198219836673#!/compare/1493683200/1493769600

https://backpack.tf/profiles/76561198209195433#!/compare/1493683200/1493769600

https://backpack.tf/item/5728008283

Sale 2) Sold for a Steaming Heavy Duty Rag (9-11 keys)

Valuing at 10 keys

https://backpack.tf/profiles/76561198304646339#!/compare/1493078400/1493683200

https://backpack.tf/profiles/76561198316101664#!/compare/1493596800/1493683200

Sale 3) Sold for a Orbiting Fire Prancer's Pride (10 keys)

One-for-one at 10 keys

https://backpack.tf/profiles/76561198304646339#!/compare/1493683200/1493769600

Sales at:

2 x 10

2 x 11

2 x 13

Multiple sales for every number except 12.

Suggesting 10-13 keys.