yes

Sold with a Strange AWPer Hand(8 Keys with Overpay) for an Australium Spec KS Sniper Rifle(30 Keys with Overpay)(22 Keys total)

http://backpack.tf/profiles/76561198043990708?time=1439362800 (August 12th)

http://backpack.tf/profiles/76561198043990708?time=1439535600 (August 14th)

Sold for an Orbiting Fire Buccaneer's Bicorne(18 Keys with Overpay)

http://backpack.tf/profiles/76561198117065306?time=1438498800 (August 2nd)

http://backpack.tf/profiles/76561198117065306?time=1438671600 (August 4th)

Sold for an Australium Spec KS Knife(19 Keys with Overpay at the time)

http://backpack.tf/profiles/76561198089899772?time=1437980400 (July 27th)

http://backpack.tf/profiles/76561198089899772?time=1438066800 (July 28th)

Sold for an Australium Spec KS Knife(19 Keys with Overpay at the time)

http://backpack.tf/profiles/76561198007077925?time=1437202800 (July 18th)

http://backpack.tf/profiles/76561198007077925?time=1437980400 (July 27th)

Sold for a Disco Beat Down Triboniophorus Tyrannus(24 Keys with Overpay)

http://backpack.tf/profiles/76561198109739408?time=1438326000 (July 31st)

http://backpack.tf/profiles/76561198109739408?time=1438412400 (August 1st)

Sold for 25 Keys

http://backpack.tf/profiles/76561198063481318?time=1435906800 (July 3rd)

http://backpack.tf/profiles/76561198063481318?time=1435993200 (July 4th)

http://www.tf2outpost.com/trade/26354084

Sold with ~12.5 Keys in Sweets(after overpay) for a Smoking Blighted Beak(31.5 Keys, assuming offered)(19 Keys total)

http://backpack.tf/profiles/76561198129420892?time=1439190000 (August 10th)

http://backpack.tf/profiles/76561198129420892?time=1439276400 (August 11th)

Sales seem to fit, 18-25 Keys should be fine.

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