[6] “The Dutch imitate it today, but nowhere near as beautifully and well. The difference can be recognized in so far that that the Dutch looks grayish = black and consists of flat pieces, whereas the real Chinese comes in beautiful shiny black and in finger-thick pieces.” In: Valentini. 1704. Museum museorum: p. 23 https://archive.org/details/museummuseorumo00vale/page/n0.