So many paints...

A total of 0 valid sellers on OP as of posting this

4 without paints on OP, three are collectors' levels and 1 is selling along with 6 mvm tickets for a bills

Buyer:

http://www.tf2outpost.com/trade/25092292 - 5 ref

Sold:

http://imgur.com/9nW1NnX - 6 ref

Also, SCM supports a higher price according to its three most recent sales (as of posting this):

http://steamcommunity.com/market/listings/440/Vintage%20Batter's%20Helmet

$1.51*0.15= $1.28 $1.28/$0.14= 9.21 ref

$1.45*0.15= $1.23 $1.23/$0.14= 8.79 ref

$1.43*0.15= $1.22 $1.22/$0.14= 8.71 ref

There was also a seller at $1.15 as of posting this on SCM

$1.15*0.15= $0.98/$0.14= 7 ref

Not relevant at all in this suggestion but I was just pointing it out

Supporting proof, counter proof and constructive criticism are all welcome