Whether the jade is inscribed depends on the specific situation, because at present, the inscription is not exclusive to the master. As long as you want to sign, it is not a problem to carve your name on the jade carving with a screwdriver.

There is a signature on the jade double certificate, which will indicate the author's signature, the appraiser's and auditor's signature and which studio it comes from. Jade double certificate refers to jade A cargo certificate and jade collection certificate. Although the appraisal certificate is not an ordinary card, it cannot prove the value of jade.

One is the famous money, that is, signing the author's name on the work as a money seal, which can also be regarded as a kind of intellectual property awareness. If someone else falls into this money again, it is infringement.