objectYinzhangObjects · RitualsA named Chinese chop-seal of later document and painter practice. Not a hanko, not the Heirloom Seal, and not the Seal of Solomon.Also known as Chinese chop · YinzhangChinese traditionYinzhang appears in Chinese tradition.Laufer’s Jade seats carved seals among Chinese jade and hardstone study forms. A named yinzhang in that archaeological survey, not hanko as the Japanese personal seal and not a modern rubber stamp.from Berthold Laufer · Jade, 1912appears in · sourced · culturally specificsourcesJade · Berthold LauferBerthold Laufer, Jade: A Study in Chinese Archaeology and Religion.