Let's fix that old price, seems to be a little soggy in date.

Unsolds at 4 keys: TONS on classifieds from 6 hours- 4 days old

http://www.tf2outpost.com/trade/16661600 1 day

http://www.tf2outpost.com/trade/16659289 1 day

http://www.tf2outpost.com/trade/16657498 1 day

http://www.tf2outpost.com/trade/16648283 1 day

Etc.

Sellers at 3.5:

http://www.tf2outpost.com/trade/16691347 2 hours young

http://www.tf2outpost.com/trade/16690554 2 hours young

http://www.tf2outpost.com/trade/16688553 3.3 keys 4 hours young

http://www.tf2outpost.com/trade/16678800 Two at 3.5, 13 hours old

Solds:

http://www.tf2outpost.com/trade/16689589 3.5 keys

http://www.tf2outpost.com/trade/16687495 3 keys

http://www.tf2outpost.com/trade/16686606 3 keys

http://www.trade.tf/trade/506889231 Sold for Festive Scatter

http://www.trade.tf/trade/506880387 3 keys (tf2tp.com seems to be down, 502 bad gateway)

http://www.trade.tf/trade/506881388 3 keys

http://www.trade.tf/trade/506885461 3 keys

http://www.trade.tf/trade/506885533 3.5 keys

http://www.trade.tf/trade/506877604 3.5 keys

http://www.tf2outpost.com/trade/16670496 3 keys

http://www.trade.tf/trade/506869908 3.5 keys

http://www.tf2outpost.com/trade/16667611 3 keys

http://www.tf2outpost.com/trade/16667412 3 keys

http://www.tf2outpost.com/trade/16665176 3 keys 3 ref

http://www.tf2outpost.com/trade/16661520 3 keys 3 ref

http://www.tf2outpost.com/trade/16661287 3.4 keys

http://www.tf2outpost.com/trade/16659775 3 keys 3 ref

http://www.tf2outpost.com/trade/16656612 3 keys

http://www.tf2outpost.com/trade/16656320 3 keys

http://www.tf2outpost.com/trade/16654203 3 keys 3 ref

http://www.trade.tf/trade/506964443 3 keys

http://www.tf2outpost.com/trade/16650828 3 keys

http://www.tf2outpost.com/trade/16656320 3 keys

http://www.tf2outpost.com/trade/16641341 3 keys

Only solds at 4 keys+ that I could find over 2 days history:

http://www.tf2outpost.com/trade/16646319 4 keys

http://www.tf2outpost.com/trade/16649126 4 keys 3 ref

http://www.tf2outpost.com/trade/16654724 4 keys

http://www.tf2outpost.com/trade/16665791 4 keys 1 ref

Lots of willing sellers at 3 keys flat, large amount of 4 keys available with a few sales (Though seems to take a bit) And some sellers available at 3.5 still.