The bird patterns, agate color opportunely Pi snuff bottlesLong and 4.5 cm wide and 2.7 cm high 7.5 cm weighs 67 gAgate material is qualitative, through its natural carvings, though the overall unaware tiancheng, colour and lustre downy.Small mouth, neck, shoulder, arc, circle, anaglyph bird loose grain pattern.Decorative vividly, grinding work delicate, tao bore a clean, simple and beautiful.