"Ida was in her boudoir, a tiny little tapestried
room, as neat and dainty as herself, with low walls hung
with Imari plaques and with pretty little Swiss brackets
bearing blue Kaga ware, or the pure white Coalport china.

A bit more name-dropping by Conan Doyle.
I found a site mentioning two Japanese porcelain Imari bowls,for five hundred bucks