Looks like a good deal... I think this fella is a member on here. He's had this helmet posted on eBay a few times, with gradually dropping prices, probably because it wasn't selling for more.
Looks like a nice clean cast... and the base colours are already done so, if you want to do topical, it's got a lot of the work done already!
(*Note: I don't think they mind you posting a link to eBay so long as you're not promoting the purchase of the product... I think that asking advice about something on eBay is ok)
That auction if from a seller here called "Nobody"
You can PM him and ask him to give you details on the bucket.
I think its a great buy. Plus its ready to go no sanding or preping.
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Posting information and/or links to a live online auction (i.e. Ebay, Yahoo!, etc) is prohibited except when you are the seller in the auction.