Apologies.
For clarity, Andy's pieces are all 8318 range.
Terry's fine array, from l-r and top to bottom:
Petr Hora, 8620, 1986, Petr Hora 8619, 1986,
Pavel Hlava, 7714, 1977, Jaroslav Svoboda, 7425/ 15, 1974,
Frantisek Vizner, 1976 (sorry no precise pattern number, but related items are 7626 and 7622)
another Vizner item...(did you get an exact id on this, Terry?) and Palecek.
Regards,
Marcus