A teadust glazed bottle vaseOfficial porcelain factory mark, Guangxu period47.2cm highProvenance: 光緒 茶葉末釉鼓腹瓶 「工藝傳習所製」楷書印章描金款The mark 'Gongyi Chuanxi Suo Zhi' is loosely translated as 'Made by the Research Institute of Porcelain'. The Institute was established in the city of Zibo in Shandong province in 1905 during the Hundred Days' Reform during the Guangxu period, as official porcelain kilns. It was renamed as 'Porcelain Factory' in 1914, and discontinued in 1924 due to years of insolvency. There is a teadust yellow-glazed vase in the collection of the Zibo Ceramics Museum with the same mark, albeit ungilded, see related page under 'Collection' of the Museum's . Kilns in Shandong are well known for revitalising especially the teadust glaze during the Guanxu period.光緒三十一年（1905年），在戊戌變法和洋務運動實業救國的呼聲中，時任山東工藝局局長黃華在博山主持創辦了山東省第一個官辦窯廠，稱名為「博山工藝傳習所」，填補了山東自古無官窯的空白，「出品精细光亮几与江西货埒」。民國三年，習傳所更名瓷業公司，至明國十三年停辦。今淄博市陶瓷博物館藏中收藏一件當時燒製的鱔魚黃象耳尊，底款與此件印文相同，見博物館官網，「藏品」頁面下「清鳝鱼黄花卉纹象耳尊」詞條。