• Name: Ru Kiln Tianqing Glaze (Powder Blue) Paper‑Beater Bottle
• Period: Northern Song Dynasty (during the reign of Emperor Huizong)
• Kiln: Ru Kiln (Qingliangsi Temple, Baofeng County, Henan Province)
• Current Collections: National Palace Museum in Taipei (two pieces, one of which is inscribed with “Feng Hua” on the base), and the David Collection in the United Kingdom (now housed in the British Museum).
• Dimensions: Approximately 20–22 cm in height.

Form: Minimalist Elegance

• What Is a “Paper Beater”? Its shape is inspired by a traditional tool used to pound pulp or smooth paper—known as a “paper beater.”
• Geometric Precision: The bottle features a straight neck, a flat shoulder, and a cylindrical body. Its lines are strikingly simple, dominated almost entirely by straight edges and sharp right angles.
• The Angular Shoulder: Pay close attention to the junction between the neck and the body—here, we find an almost 90‑degree angle. This stark, angular design is exceptionally rare in Song dynasty porcelain, which is typically characterized by rounded forms, lending the piece a sense of stature and aloof dignity.
• A Slight Outward Curve at the Mouth: At the very top of the vessel, the lip curves ever so slightly outward into a gentle arc—a subtle, disc‑shaped rim that introduces just a touch of softness, breaking the rigidity of the overall form.

Glaze: The Gentle Warmth of Powder Blue

• Powder Blue: Compared to the classic “Tianqing” glaze—a deep, rich blue—the glaze on this bottle presents a delicate “powder blue”. It’s lighter, softer, as if a hint of white and green has been delicately blended into the azure, evoking the surface of a lake shrouded in the hazy light of dawn.
• A Subtle, Matte Luster: The glaze boasts a warm, aged quality, with a luster that is neither overly bright nor harsh—it feels as though it has been meticulously layered, like a deposit of fine, creamy fat.
• Crackle Patterns: The glaze surface is adorned with intricate, fine “ice crackle” patterns, layered upon one another in a delicate, translucent network that seems to shimmer with crystalline clarity.