Counter #1.

Sold for 25 Keys

http://backpack.tf/profiles/76561198090956917#!/compare/1455609600/1455696000

Sold with ~2 Keys in Sweets for a Stormy Storm Pirate Bandana(21 Keys)(19 Keys toal)

http://backpack.tf/profiles/76561198057141793#!/compare/1459296000/1460851200

Sold for a Disco Beat Down Honcho's Headgear(32 Keys)(B/O was 22)

http://backpack.tf/profiles/76561198053172418#!/compare/1460678400/1460764800

http://www.tf2outpost.com/trade/28034395

Sold for a Searing Plasma Demoman's Fro(25 Keys) and ~2.5 Keys in Sweets(B/O was 25)

http://backpack.tf/profiles/76561198119563409#!/compare/1461283200/1461369600

http://www.tf2outpost.com/trade/28068252

Sold for a Blizzardy Storm Ye Olde Baker Boy(18.5 Keys, rounding to 19)

http://backpack.tf/profiles/76561198262059598#!/compare/1461369600/1461628800

Disco Beat Down Honcho's Headgear mini suggestion

Sold for 32 Keys

http://backpack.tf/profiles/76561198053172418#!/compare/1460937600/1461024000

Using 32.

Sales seem to fit, 19-25 Keys should be fine.

Additional Proof/Counter-Proof/Constructive Criticism/Feedback is always appreciated.