筆架又稱筆格, 宋周密《 雲煙過眼錄 》：“古玉筆格 ”，及浙江衢州南宋咸淳年間(1265-1274)墓葬出土有青玉筆格分析，至少在宋代玉已經用來加工筆格了。明代玉筆架極為普遍，有青玉、白玉等。 以山峰形居多，峰為柱狀，在註重實用性的同時，更追求觀賞性。本器青玉雕琢, 主體雖然類似山形, 但從神面紋飾推測, 所要表現的是山神, 雙面為神面淺浮雕, 中央隆起, 兩側似牛角向內彎, 牛角一邊棲息一鳳鳥, 頭部緊貼山神頭部, 面向後座方, 明代玉器崇尚復古, 風格多採戰漢形制, 本器設計巧妙, 刀工精美, 古玉跡象為擴散暈沁色及鈣化. Brush holder has long been a necessary companion writing tools in the Chinese cultures. Sources has shown there were brush holders in the Song Dynasty. Carved with pale tone jade, the object is a brush holder with a form of mountain. However, based on the motif on the object, the object is a head of god with two horns. A phoenix with head facing backward is decorated on one of the horn. The carving style is incised line with skillful design. Antiquity evidences are diffusive marking and calcification.