There was no such thing during the Qianlong period. Dayazhai is the royal porcelain used by the Empress Dowager Cixi, and Dayazhai is Cixi's residence. Generally, on porcelain, when it comes to Dayazhai, there will also be the inscriptions of "Heaven and Earth, Family Spring" and "Yongqing Changchun". Purple and yellow are more common, and parrots and magpies are the most common patterns.