Several porselain dice with sizes between 16 and 25 mm,
most of them marked with 'JAPAN' on the '1' side (hardly visible on the pictures).

A nice porselain gambling top,
and a rare old dice spinner mainly made of carton called 'round dice'.

A pair of old clay stone dice marked Japan,
and another probably clay Japanese made D6.

A set of small wooden dice for the 'Word throwing game' made in Japan.

And other sets of plastic and wooden D6's.