How low can a glitched item go?

Proof/Evidence

Backpack.tf Classifieds

10x3 keys!

1x3 keys and 3 ref!

8x4 keys!

Bazaar

http://bazaar.tf/trade/1200675 <-3 keys

http://bazaar.tf/trade/1050715 <-2 keys, probably not helping

TF2outpost

http://www.tf2outpost.com/trade/25148792 <-3 keys, bumped

http://www.tf2outpost.com/trade/25062738 <-3 keys, bumped

http://www.tf2outpost.com/trade/25174359 <-3 keys, kind've bumped

http://www.tf2outpost.com/trade/25115923 <-3 keys, selling a ton of them

http://www.tf2outpost.com/trade/25104746 <-3 keys, badly bumped

Unsolds for 3.5 keysish

http://www.tf2outpost.com/trade/25162123 <-3.5 keys, bumped

http://www.tf2outpost.com/trade/25007979 <-3 keys and 6 ref, created 2 weeks ago, bumped

http://www.tf2outpost.com/trade/25140798 <-3 keys and 3 ref, not bumped

http://www.tf2outpost.com/trade/21027778 <-3.5 keys, selling a ton, created 7 MONTHS ago, bumped

http://www.tf2outpost.com/trade/24178749 <-3.5 keys, "quickselling"

Sorry if I reused any previous evidence

1000 characters, like last time ^_^