Provenance: Private European collection. Attribution: Republic Period (1912-1949), Beijing Workshops. Technical Specifications: Material: Opaque Peking Milk Glass of superior density. Decoration: Hand-painted in authentic Falangcai enamels. Enamel Quality: Exceptional thick impasto texture (raised enamels) across the entire composition. Precise line work with mineral-based pigments. Mark: High-relief blue enamel 4-character "Gu Yue Xuan" mark (古月軒) to the base. Finishing: Distinctive hand-ground flat top neck and beveled footrim (manual lapidary work). Stopper: Original red-glass stopper with an aged, hand-carved spoon. The material appears to be bone or a high-quality organic substance. Authentic patina and rigid structure. Condition: Very good condition.