Assertion: porcelain's mark | /r/HasProperty | symbol
Facets:
value: typically
type: DEGREE
Source sentences:
text: These marks would typically include small characters or symbols found on the base or side of a piece.
text: In addition to the familiar letters KPM, authentic 1815-1917 marks of Konigliche Porzellan Manufacktur also include one of three other symbols: an eagle, a scepter or an orb with a cross.