Trumper Brushes?

[Stauff]

I remember reading on some thread that Trumper Best badger brushes are made by Simpson and the super ones by Vulfix. Is this actually true? And would this mean that all the classic Simpson handles (Persian jar, Chubby, etc.) can be had with the Trumper name on it? Does Trumper carry the full Simpson range? And how do prices compare to a 'real' Simpson?
Thanks.