Credits to Mindtacos:

Credits to the original suggester for scrap.tf sale

Sold for instant buy price (17 keys) in a scrap.tf auction: https://scrap.tf/auctions/B3CF8R

Another sale:

Sold for a Bubbling Vintage Tyrolean(14.5 Keys, round to 15) and ~4 Keys in Sweets(19 Keys total)

https://backpack.tf/profiles/76561198008113369#!/compare/1509926400/1510012800

Bubbling Vintage Tyrolean mini suggestion(feel free to make a full suggestion out of this):

Added 2 Keys for an Orbiting Fire Barnstormer(18 Keys)(16 Keys total)(B/O was 15)

https://backpack.tf/profiles/76561198080953509#!/compare/1507852800/1509753600

http://www.tf2outpost.com/trade/29209102

Sold for a Skill Gotten Gains Spent Well Spirits

https://backpack.tf/profiles/76561198305191173#!/compare/1509753600/1509840000

Better used for that, supports 14 however.

https://i.imgur.com/RYBGSqS.png 12 day unsold at 14 Keys.

Using 14-15.

I wouldn't consider 17 a quicksale here for a variety of reasons, but 17 flat is definitely low. 17-19 should be the appropiate range here