Hallmarks on Gold Jewelry? Ask the Hallmark Holmes Detective. Identifying possible French gold hallmark and maker's mark on a ring These are photos of a gold ring showing what appears to be a Crown/Tiara My crown seems to be brass or a low carot gold. It has red, green, blue and white stones. Hi guys, welcome to another film by antiquesarena, in this film i talk about how to read and understand Chinese reign / character marks on porcelain. hope th.