Smile. Work harder.

Resuggestion, thanks to Blaze for the info!

Sale 1:

https://backpack.tf/profiles/76561198079507949#!/compare/1536192000/1536624000

https://backpack.tf/profiles/76561198202186637#!/compare/1536105600/1536192000

Sold with ~0.5 keys in sweets for Aussie Black Box(12) + 1 key

Total is 12.5 keys

Sale 2:

https://backpack.tf/profiles/76561198202186637#!/compare/1536278400/1536364800

https://backpack.tf/profiles/76561198369630348#!/compare/1536278400/1536364800

Untrace

Sale 3:

https://backpack.tf/profiles/76561198369630348#!/compare/1536364800/1536451200

https://backpack.tf/profiles/76561198275995237#!/compare/1535932800/1536364800

Sold for Blizzardy Sinner + ~1 key in sweets

use there.

Sale 4:

https://backpack.tf/profiles/76561198275995237#!/compare/1536364800/1536451200

https://backpack.tf/profiles/76561198087448314#!/compare/1536364800/1536451200

Keys?

Sale 5:

https://backpack.tf/profiles/76561198271159901#!/compare/1536796800/1536883200

Bulky

https://backpack.tf/item/4016042235

https://backpack.tf/item/3493512511

Nothing else traceable here

Blaze's Part:

https://backpack.tf/profiles/76561198369630348#!/compare/1536278400/1536364800 - sold for Purple Energy Pugilist's Protector

https://backpack.tf/suggestion/5bdbd878cf6c7541900feaa3

Suggestion for the Puglist at 16 keys.

also the grenade launcher added in sale 1 has been selling for 1.2-1.8 keys recently so idk where you got 0.5 keys from for it:

https://steamcommunity.com/market/listings/440/Festivized%20Specialized%20Killstreak%20Dragon%20Slayer%20Grenade%20Launcher%20%28Factory%20New%29

i think the sale would be closer to 11.5 taking the grenade at 1.5 keys so 12-16 could work here.