Assertion: porcelain's mark | /r/ObjectUse | used in 21st century
Facets:
Source sentences:
text: ( the source book was published in 1986, so don't know if this mark is still being used in the 21st Century).
text: ( the source book was published in 1986, so don't know if this mark is still being used in the 21st Century).
text: ( the source book was published in 1986, so don't know if this mark is still being used in the 21st Century).