I bought this dish recently, marked up as Pavel Hlava - but I've not managed to find anything very similar. It was, however, quite comfortably nestled amongst some Ježek pieces with which it seemed to have a little more in common. But after hitting the internet and two decades of Glasrevue issues nothing very obvious has come up.
It has two thin layers of pulegoso suspended between three relatively thick layers of clear glass. It's 75x130mm (3x51⁄8 in.), 1700g in weight, and has a polished base. Old German retail label stuck to the underside.
Any suggestions gratefully received.