Dawes Kalahari, Puch Prima Super Sport, Graham Weigh 853
You could try Reparto Corse.
There are a few places selling the Primato Syntesi version (which are the same, but black). There are some places in Europe two. GP Eyes on ebay.it has them. There are some guys in Holland, and some German shops too. Rose Versand sells them as Xtreme Freejack.