Hi, I love your website, I often refer to your website when I am on the fence on whether want to buy certain BD/DVD edition!
It is much better than what I expected. The helmet is thick, and as I said, sturdy and heavy. The base is heavy. It is not the same standard as Museum Replicas, they produced metal magneto helmet with wearable padded inside.
Not sure about the material, should be resin or polystone, the material is similar to the Thor Limited Collector's BD German edition, the 1:2 scale helmet. It is not plasticky like the terminator Salvation BD UK edition T-700 head.
The maker is from UK, who involved in some of the promotional stuffs for newly released movies. I saw the exact item sold in eBay for USD350, and another one currently on sale by the same seller at over US500. The same item is current for sale in Prop Store for USD659. Excellent value for money, i say.
I will post some more close up photos later.