Only 2 recent sales.

Sale 1

Sold for an Anti-Freeze Prancer’s (5.6) and 6 keys pure, buds were 13 keys at the time

0.46 + (5.6 x 0.9) = (5.5)

Before: http://backpack.tf/profiles/76561198050606990?time=1419753600

After: http://backpack.tf/profiles/76561198050606990?time=1419840000

Sale 2

Sold for a duped Self-Made Comm. Sparkle Eerie Key (5.25)

5.25 x 0.9 = (4.7)

Before: http://backpack.tf/profiles/76561198045636361?time=1419926400

After: http://backpack.tf/profiles/76561198045636361?time=1423641600

Key History: http://backpack.tf/item/1193042275

*No recent sales on duped Self-Made Keys; one seller in Classifieds asking 100 keys:

http://backpack.tf/classifieds/?item=Eerie%20Key&quality=9&tradable=1&craftable=1

Decided to keep it at its current price.

*Feedback/constructive criticism is very much appreciated. ^^