City: the Road to Invincibility Begins with Treasure Appraisal

An unfortunate news made Qin Tian almost collapse! At the turn of events... Lucky to get an invincible system. You gain insight at the beginning, which can identify the authenticity of various jade treasures. From now on, embark on the road to invincibility! ! ! ! Please support me with all kinds of free flowers, thank you! ! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.